{"text_format":"dbase-jsonl-2026-09-30","columns":[{"name":"AREA","type":"float","width":19,"decimals":11},{"name":"PERIMETER","type":"float","width":19,"decimals":11},{"name":"MAP_UNIT","type":"character","width":15},{"name":"DMU","type":"character","width":254}],"n_rows":956,"rows_kept":956,"cut":false,"deleted_skipped":0,"read_ended":"whole","bounds":"16MiB/16384/4096/first_that_fit","version":"dbase_level_three","encoding_class":"enc_single_byte","reader":"statdb_count/9"}
[6.75197000000e+006,9.93691992188e+003,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[2.20282000000e+005,2.46841992188e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.41973000000e+005,1.45651000977e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.40043000000e+006,4.60343984375e+004,"Qa","Alluvium (Holocene)"]
[7.11150000000e+005,6.02575976563e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.16052000000e+006,9.03149023438e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.11431000000e+005,1.81606994629e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[3.35555000000e+004,7.11872009277e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[5.92870000000e+004,3.23462011719e+003,"Qa","Alluvium (Holocene)"]
[2.62553007813e+004,1.09835998535e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.21350000000e+005,1.98413000488e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[6.63863984375e+004,1.26497998047e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.71399003906e+004,7.33734008789e+002,"Qd","Debris (Holocene and Pleistocene)"]
[4.57998007813e+004,1.35368005371e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[3.65898000000e+005,4.43033984375e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.23685996094e+004,1.05234997559e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.21295000000e+004,1.21340002441e+003,"Qd","Debris (Holocene and Pleistocene)"]
[1.96683996582e+003,1.72975006104e+002,"Tt","Terrace deposits (Tertiary)"]
[2.04693000000e+005,4.86516992188e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.49353000000e+007,8.23538984375e+004,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[8.04429980469e+003,3.58962005615e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.11362011719e+003,4.23449005127e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.30651000000e+005,3.14809008789e+003,"Qa","Alluvium (Holocene)"]
[1.04226000000e+005,1.46707995605e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[4.15948984375e+004,9.06122985840e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.52177001953e+003,1.89565002441e+002,"Tt","Terrace deposits (Tertiary)"]
[2.46407000000e+005,8.59178027344e+003,"Qa","Alluvium (Holocene)"]
[8.05197021484e+003,4.29649993896e+002,"dgf","Disturbed ground and artificial fill"]
[1.27430000000e+004,4.74837005615e+002,"dgf","Disturbed ground and artificial fill"]
[2.05372000000e+006,1.52037998047e+004,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.14485000000e+004,4.37713989258e+002,"dgf","Disturbed ground and artificial fill"]
[3.23643994141e+003,2.44507003784e+002,"Qa","Alluvium (Holocene)"]
[4.04611010742e+003,2.68726013184e+002,"Tt","Terrace deposits (Tertiary)"]
[2.80510009766e+003,1.99604003906e+002,"Tt","Terrace deposits (Tertiary)"]
[8.06195007324e+002,1.11065002441e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.53729003906e+004,6.09065002441e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[6.86640991211e+002,9.57776031494e+001,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.11494003906e+004,6.93739990234e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.06462000000e+005,1.26030004883e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[9.05379003906e+003,7.60432006836e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.19278002930e+003,2.42397003174e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[5.15402001953e+003,6.15789001465e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.88687000000e+005,3.29790991211e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[4.31981015625e+004,1.10134997559e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.00167999268e+003,1.21299003601e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.50110996094e+004,5.30171997070e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.00373000000e+005,1.87606005859e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[8.81846972656e+003,5.44723999023e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.23760998535e+003,1.28927001953e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.01929003906e+004,3.76705993652e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.84647998047e+003,1.78393997192e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[6.50330000000e+004,1.39051000977e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.44906994629e+003,1.44328994751e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.76690991211e+003,2.23337997437e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.17133007813e+003,3.56704986572e+002,"Qd","Debris (Holocene and Pleistocene)"]
[4.10054980469e+003,3.85985992432e+002,"Qd","Debris (Holocene and Pleistocene)"]
[8.93578002930e+002,1.79714004517e+002,"Qd","Debris (Holocene and Pleistocene)"]
[6.53672021484e+003,3.07699005127e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[8.21617031250e+004,2.30611010742e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.46612988281e+003,1.87145004272e+002,"Tt","Terrace deposits (Tertiary)"]
[3.67183984375e+004,9.54593017578e+002,"dgf","Disturbed ground and artificial fill"]
[5.23814013672e+003,2.89459991455e+002,"Tt","Terrace deposits (Tertiary)"]
[5.99938007813e+004,1.82490002441e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.95457006836e+003,3.93295013428e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.53775000000e+005,1.97608996582e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.38492004395e+003,1.44261993408e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[4.16137011719e+003,2.45332000732e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[3.19225000000e+003,2.15901000977e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.73633007813e+003,5.44919006348e+002,"Qa","Alluvium (Holocene)"]
[3.66558984375e+004,7.93994018555e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[7.32597021484e+003,8.67927978516e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.15298000000e+005,2.51031005859e+003,"Tt","Terrace deposits (Tertiary)"]
[4.48693017578e+003,2.80384002686e+002,"Tt","Terrace deposits (Tertiary)"]
[5.39071992188e+004,1.26155004883e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[5.10141015625e+003,3.25161987305e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.08807001953e+004,9.08052001953e+002,"Qd","Debris (Holocene and Pleistocene)"]
[5.98846992188e+004,1.28038000488e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[4.09861000000e+005,4.98029980469e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[2.79391992188e+003,2.27151992798e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.23366992188e+004,6.91598022461e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.75005996094e+004,8.39469970703e+002,"dgf","Disturbed ground and artificial fill"]
[1.80631992188e+004,8.01976989746e+002,"Qa","Alluvium (Holocene)"]
[3.05084003906e+004,8.61973022461e+002,"Qa","Alluvium (Holocene)"]
[1.99102001953e+003,2.67382995605e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.48920996094e+004,5.71700988770e+002,"Tt","Terrace deposits (Tertiary)"]
[2.74945996094e+004,6.31632019043e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.18923999023e+003,3.18080993652e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.16366000000e+005,4.99139990234e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[6.49237011719e+003,3.16023986816e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.73614003906e+004,8.78997009277e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[3.71368007813e+004,8.62616027832e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.71980000000e+004,7.46806030273e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.93970000000e+005,1.97816003418e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[2.42332000000e+005,4.24502001953e+003,"Qa","Alluvium (Holocene)"]
[6.53004980469e+003,3.55377990723e+002,"Tt","Terrace deposits (Tertiary)"]
[2.76950000000e+004,9.44830993652e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.56981000000e+006,1.16105996094e+004,"Tt","Terrace deposits (Tertiary)"]
[2.01738000488e+003,1.69402999878e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.57756992188e+004,2.08423999023e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.71395000000e+005,3.56160009766e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[8.02797998047e+003,3.22834014893e+002,"Tt","Terrace deposits (Tertiary)"]
[2.91135009766e+003,2.35529998779e+002,"Tt","Terrace deposits (Tertiary)"]
[5.11289990234e+003,3.21002014160e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.74012988281e+003,3.20312988281e+002,"Tt","Terrace deposits (Tertiary)"]
[5.30220996094e+003,3.04649993896e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.34439003906e+004,5.53044982910e+002,"Tt","Terrace deposits (Tertiary)"]
[4.70571015625e+004,1.08614001465e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[3.62417000000e+005,6.55525976563e+003,"Qa","Alluvium (Holocene)"]
[3.45841992188e+003,2.20932998657e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[7.93041015625e+003,3.99127990723e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.05621000000e+006,1.05232001953e+004,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.65071997070e+003,1.62229003906e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.28855004883e+003,1.74884994507e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.67063007813e+004,1.02153002930e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.33758007813e+003,2.29785003662e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[5.49003984375e+004,3.06917993164e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.82577001953e+003,1.95828994751e+002,"Tt","Terrace deposits (Tertiary)"]
[1.01565000000e+004,4.82760986328e+002,"Qa","Alluvium (Holocene)"]
[1.80405996094e+004,6.06169982910e+002,"Tt","Terrace deposits (Tertiary)"]
[2.06741000000e+005,2.20067993164e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.68692004395e+003,1.55591995239e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.27024003906e+004,6.20208007813e+002,"dgf","Disturbed ground and artificial fill"]
[1.43779003906e+004,6.90645996094e+002,"Tt","Terrace deposits (Tertiary)"]
[5.71968994141e+002,8.91595001221e+001,"Qd","Debris (Holocene and Pleistocene)"]
[9.61833984375e+004,1.55293005371e+003,"dgf","Disturbed ground and artificial fill"]
[1.87465000000e+004,6.48645019531e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[7.81362031250e+004,2.57700000000e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.20952000000e+005,5.04679980469e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.10769995117e+003,2.33386001587e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.56480004883e+003,2.30298004150e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.39943007813e+004,8.38758972168e+002,"Qa","Alluvium (Holocene)"]
[6.90162011719e+003,3.26450012207e+002,"Tt","Terrace deposits (Tertiary)"]
[1.69089001465e+003,1.53371002197e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.30701015625e+004,1.15702001953e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[7.44749023438e+003,4.28739013672e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.59761000000e+005,2.55825000000e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.36180996094e+004,8.43487976074e+002,"Tt","Terrace deposits (Tertiary)"]
[2.04102000000e+005,2.39425000000e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[4.62156005859e+003,2.66444000244e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.74746992188e+004,9.57080017090e+002,"Tt","Terrace deposits (Tertiary)"]
[2.08274000000e+005,1.05587998047e+004,"Tc","Calvert Formation (middle Miocene)"]
[6.99402001953e+003,3.58442993164e+002,"Tt","Terrace deposits (Tertiary)"]
[6.54784000000e+005,5.20937011719e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[5.81358984375e+004,1.94151000977e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[4.26445019531e+003,2.68789001465e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.30365000000e+006,9.64359960938e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.59150996094e+004,1.17352001953e+003,"Qa","Alluvium (Holocene)"]
[4.62912988281e+003,3.09665008545e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.80659008789e+003,1.99723007202e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.80922021484e+003,2.84631011963e+002,"Tt","Terrace deposits (Tertiary)"]
[6.42272021484e+003,3.55321014404e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.63007000000e+005,8.53400000000e+003,"Tc","Calvert Formation (middle Miocene)"]
[2.06415000000e+004,5.61241027832e+002,"Tt","Terrace deposits (Tertiary)"]
[2.48745996094e+004,1.07417004395e+003,"Tt","Terrace deposits (Tertiary)"]
[3.44950000000e+003,2.26449996948e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.24048999023e+003,2.18565994263e+002,"Tt","Terrace deposits (Tertiary)"]
[3.58260000000e+005,7.86858984375e+003,"Qa","Alluvium (Holocene)"]
[4.46058007813e+003,2.77984985352e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.12520996094e+004,6.12890991211e+002,"Tt","Terrace deposits (Tertiary)"]
[7.86745019531e+003,3.19923004150e+002,"Tt","Terrace deposits (Tertiary)"]
[1.33620000000e+004,4.42748992920e+002,"Tt","Terrace deposits (Tertiary)"]
[1.17765000000e+004,5.39604980469e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[7.91225000000e+005,8.44212011719e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.31990000000e+004,4.49795989990e+002,"Tt","Terrace deposits (Tertiary)"]
[3.18279000000e+005,3.92514990234e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.26305000000e+007,5.79758007813e+004,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[6.25709000000e+005,6.35587988281e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.02442004395e+003,2.06742004395e+002,"Qa","Alluvium (Holocene)"]
[4.96804003906e+003,2.61579986572e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[3.56966992188e+003,5.18546997070e+002,"Qa","Alluvium (Holocene)"]
[3.34639990234e+003,4.17716003418e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.46157000000e+005,3.16192993164e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.32030996094e+004,5.37760009766e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.45783984375e+003,3.56110992432e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[7.08820007324e+002,1.24849998474e+002,"Qa","Alluvium (Holocene)"]
[1.01031000000e+005,1.87228002930e+003,"Tt","Terrace deposits (Tertiary)"]
[3.32415000000e+004,1.12422998047e+003,"Qa","Alluvium (Holocene)"]
[2.36405004883e+003,3.38290985107e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.23250000000e+005,8.02695019531e+003,"Tc","Calvert Formation (middle Miocene)"]
[1.10119003906e+004,4.57321014404e+002,"Qc","Colluvium (Holocene and Pleistocene)"]
[2.93827000000e+005,7.63820019531e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.18669995117e+003,1.86750000000e+002,"Qa","Alluvium (Holocene)"]
[1.11912998047e+004,8.30929992676e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.61416992188e+003,2.04031005859e+002,"Tt","Terrace deposits (Tertiary)"]
[7.51147968750e+004,1.14138000488e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[8.69533984375e+003,4.15548004150e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.87052968750e+004,1.86666003418e+003,"dgf","Disturbed ground and artificial fill"]
[1.65364001465e+003,1.53561004639e+002,"Tt","Terrace deposits (Tertiary)"]
[4.50885000000e+004,1.25817004395e+003,"Qd","Debris (Holocene and Pleistocene)"]
[2.37755000000e+004,8.55653991699e+002,"Tc","Calvert Formation (middle Miocene)"]
[4.52245000000e+004,2.18062988281e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[4.51185000000e+004,1.26317004395e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[9.34695007324e+002,1.74628005981e+002,"Qd","Debris (Holocene and Pleistocene)"]
[5.62937988281e+002,1.29686004639e+002,"Qd","Debris (Holocene and Pleistocene)"]
[5.77018017578e+003,3.31480987549e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.62582995605e+003,1.49630996704e+002,"Tt","Terrace deposits (Tertiary)"]
[2.04429003906e+004,9.83658020020e+002,"Qa","Alluvium (Holocene)"]
[1.57204003906e+003,1.92916000366e+002,"Qd","Debris (Holocene and Pleistocene)"]
[8.82635000000e+005,5.36958007813e+003,"Qa","Alluvium (Holocene)"]
[8.65435000000e+005,1.00337998047e+004,"Qc","Colluvium (Holocene and Pleistocene)"]
[3.40694995117e+003,2.36207000732e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.14675000000e+003,1.37604003906e+002,"Qd","Debris (Holocene and Pleistocene)"]
[6.63256005859e+003,5.53448974609e+002,"Qa","Alluvium (Holocene)"]
[1.93735996094e+004,8.53229003906e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.37872000000e+005,1.94265002441e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.08468000000e+005,2.25120996094e+003,"Tt","Terrace deposits (Tertiary)"]
[5.07956015625e+004,2.27210009766e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.02664001465e+003,2.07595993042e+002,"Qd","Debris (Holocene and Pleistocene)"]
[9.65212968750e+004,2.36795996094e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.48010000000e+004,1.13070996094e+003,"Qd","Debris (Holocene and Pleistocene)"]
[1.42967998047e+004,6.25520019531e+002,"dgf","Disturbed ground and artificial fill"]
[4.69120000000e+004,1.05979003906e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.77448999023e+003,1.51839996338e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.70336992188e+004,6.71393981934e+002,"Qa","Alluvium (Holocene)"]
[1.97600000000e+004,6.38518005371e+002,"Tt","Terrace deposits (Tertiary)"]
[4.38266015625e+004,1.00903997803e+003,"Tt","Terrace deposits (Tertiary)"]
[3.20275000000e+004,1.11815002441e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.23263989258e+003,1.71908004761e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[4.73672000000e+005,4.50872998047e+003,"Tt","Terrace deposits (Tertiary)"]
[1.42062001953e+004,7.00664978027e+002,"dgf","Disturbed ground and artificial fill"]
[3.51276992188e+004,7.42762023926e+002,"dgf","Disturbed ground and artificial fill"]
[4.38937988281e+002,1.93858993530e+002,"Tt","Terrace deposits (Tertiary)"]
[7.96597998047e+003,4.87515991211e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.21951992188e+004,7.18999023438e+002,"Ql","Landslide (Holocene and Pleistocene)"]
[7.26268017578e+003,5.34426025391e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.40392000000e+005,1.96692004395e+003,"Tt","Terrace deposits (Tertiary)"]
[1.00715000000e+005,3.65511010742e+003,"Qa","Alluvium (Holocene)"]
[4.54266000000e+005,2.90518994141e+003,"dgf","Disturbed ground and artificial fill"]
[1.77466003418e+003,2.31916000366e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.81353000000e+005,4.67500000000e+003,"dgf","Disturbed ground and artificial fill"]
[2.44420996094e+004,9.42565979004e+002,"Tt","Terrace deposits (Tertiary)"]
[9.90754980469e+003,4.84697998047e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.03358007813e+003,3.68647003174e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[9.72170019531e+003,7.80638000488e+002,"Qa","Alluvium (Holocene)"]
[1.04512998047e+004,4.39997985840e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[9.22166015625e+003,4.20428009033e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.19087988281e+003,1.71494995117e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[7.06878000000e+005,4.82335986328e+003,"Tt","Terrace deposits (Tertiary)"]
[1.15869995117e+003,1.56710006714e+002,"Qd","Debris (Holocene and Pleistocene)"]
[4.82058007813e+004,3.02708007813e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[4.67498984375e+004,1.11816003418e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.29535996094e+004,6.27598999023e+002,"Tt","Terrace deposits (Tertiary)"]
[4.52958984375e+004,1.69436999512e+003,"Tc","Calvert Formation (middle Miocene)"]
[9.35754980469e+003,4.39752990723e+002,"Tt","Terrace deposits (Tertiary)"]
[4.34049023438e+003,2.99184997559e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[5.93468994141e+002,1.24228996277e+002,"Qd","Debris (Holocene and Pleistocene)"]
[9.28796997070e+002,1.14532997131e+002,"Tt","Terrace deposits (Tertiary)"]
[5.22691992188e+003,2.82062988281e+002,"Tt","Terrace deposits (Tertiary)"]
[2.16450996094e+004,6.98057006836e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[6.15231982422e+003,3.46317993164e+002,"Tt","Terrace deposits (Tertiary)"]
[1.99569003906e+004,5.34206970215e+002,"Ql","Landslide (Holocene and Pleistocene)"]
[2.06629003906e+003,3.17904998779e+002,"Qd","Debris (Holocene and Pleistocene)"]
[6.06158984375e+003,3.24130004883e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.25219995117e+003,1.32305999756e+002,"Tt","Terrace deposits (Tertiary)"]
[1.47355004883e+003,1.40477005005e+002,"Tt","Terrace deposits (Tertiary)"]
[8.12687988281e+003,3.32398010254e+002,"Tt","Terrace deposits (Tertiary)"]
[9.21065000000e+004,1.58622998047e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.80521992188e+004,8.28236999512e+002,"dgf","Disturbed ground and artificial fill"]
[3.06568007813e+004,7.34749023438e+002,"Tt","Terrace deposits (Tertiary)"]
[6.88447968750e+004,1.92628002930e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.17487001953e+004,4.27688995361e+002,"Tt","Terrace deposits (Tertiary)"]
[4.19165000000e+004,1.05922998047e+003,"Qd","Debris (Holocene and Pleistocene)"]
[1.96120000000e+005,1.75969995117e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[5.96050000000e+004,1.33641003418e+003,"Qa","Alluvium (Holocene)"]
[2.62567993164e+003,1.91164993286e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.69174003906e+004,6.74668029785e+002,"dgf","Disturbed ground and artificial fill"]
[1.76599003906e+004,7.66482971191e+002,"Qd","Debris (Holocene and Pleistocene)"]
[7.19112988281e+003,3.67514007568e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.68846015625e+004,7.87590026855e+002,"Tt","Terrace deposits (Tertiary)"]
[5.39433984375e+003,2.68867004395e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[9.50487000000e+006,2.44866992188e+004,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[2.08440996094e+004,6.44296997070e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.42017031250e+004,1.29481994629e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.21920996094e+004,7.68255004883e+002,"Tt","Terrace deposits (Tertiary)"]
[1.19662998047e+004,4.57236999512e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.90738007813e+004,8.53080993652e+002,"Tt","Terrace deposits (Tertiary)"]
[5.40022998047e+003,3.07824005127e+002,"Tt","Terrace deposits (Tertiary)"]
[7.40425976563e+003,5.08742004395e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.72471992188e+004,6.22601013184e+002,"Tt","Terrace deposits (Tertiary)"]
[1.96859003906e+004,8.17526000977e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.12715996094e+004,8.21023010254e+002,"Tt","Terrace deposits (Tertiary)"]
[3.81938989258e+003,2.37800003052e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.49325000000e+003,1.86694000244e+002,"Tt","Terrace deposits (Tertiary)"]
[1.26302998047e+004,4.25377014160e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[9.95523046875e+003,9.11469970703e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.79112988281e+003,1.99705001831e+002,"Tt","Terrace deposits (Tertiary)"]
[5.13493017578e+003,4.10278991699e+002,"Qd","Debris (Holocene and Pleistocene)"]
[9.77975976563e+003,7.20504028320e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[6.67229980469e+003,3.29115997314e+002,"Tt","Terrace deposits (Tertiary)"]
[3.64137011719e+003,2.32052993774e+002,"Tt","Terrace deposits (Tertiary)"]
[3.15634003906e+004,7.75226989746e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.87518005371e+003,2.36578994751e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[9.05254980469e+003,3.47213012695e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.95063984375e+004,1.37010998535e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.80787988281e+003,2.03451995850e+002,"Tt","Terrace deposits (Tertiary)"]
[9.50787988281e+003,3.66519989014e+002,"Tt","Terrace deposits (Tertiary)"]
[1.79001000977e+003,1.73199996948e+002,"Qd","Debris (Holocene and Pleistocene)"]
[9.47870996094e+003,3.75407989502e+002,"Tt","Terrace deposits (Tertiary)"]
[1.02900000000e+004,4.21328002930e+002,"Tt","Terrace deposits (Tertiary)"]
[8.01495996094e+003,7.54077026367e+002,"Qa","Alluvium (Holocene)"]
[3.97230000000e+006,3.48018007813e+004,"Qa","Alluvium (Holocene)"]
[5.78995019531e+003,2.84114990234e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.50526000977e+003,2.20695007324e+002,"Tt","Terrace deposits (Tertiary)"]
[6.97793994141e+003,3.19492004395e+002,"Tt","Terrace deposits (Tertiary)"]
[3.69221997070e+003,2.25406005859e+002,"Tt","Terrace deposits (Tertiary)"]
[4.42758984375e+003,2.81264007568e+002,"Tt","Terrace deposits (Tertiary)"]
[1.46586999512e+003,1.51313003540e+002,"Tt","Terrace deposits (Tertiary)"]
[9.66601953125e+003,4.58114990234e+002,"Tt","Terrace deposits (Tertiary)"]
[1.98282995605e+003,1.73774993896e+002,"Tt","Terrace deposits (Tertiary)"]
[2.20605004883e+003,1.70044998169e+002,"Tt","Terrace deposits (Tertiary)"]
[2.54785009766e+003,1.92063003540e+002,"Tt","Terrace deposits (Tertiary)"]
[1.16784000000e+005,2.46405004883e+003,"Tt","Terrace deposits (Tertiary)"]
[1.00003997803e+003,1.16081001282e+002,"Tt","Terrace deposits (Tertiary)"]
[1.02394003906e+004,3.89135009766e+002,"Tt","Terrace deposits (Tertiary)"]
[1.38242000000e+005,2.27645996094e+003,"dgf","Disturbed ground and artificial fill"]
[3.54517993164e+003,2.19755004883e+002,"Tt","Terrace deposits (Tertiary)"]
[7.06293017578e+003,4.78523010254e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.27506005859e+003,2.22309005737e+002,"Tt","Terrace deposits (Tertiary)"]
[2.12617993164e+003,1.75656005859e+002,"Tt","Terrace deposits (Tertiary)"]
[5.11100000000e+003,2.63063995361e+002,"Tt","Terrace deposits (Tertiary)"]
[3.40841992188e+003,2.54679992676e+002,"Tt","Terrace deposits (Tertiary)"]
[1.56565996094e+004,6.73953002930e+002,"dgf","Disturbed ground and artificial fill"]
[1.34845000000e+004,4.67934997559e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.47897998047e+004,4.60834014893e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.55618007813e+004,1.94889001465e+003,"Qa","Alluvium (Holocene)"]
[3.54248999023e+003,2.44022003174e+002,"Tt","Terrace deposits (Tertiary)"]
[1.21342001953e+004,4.15661987305e+002,"Tt","Terrace deposits (Tertiary)"]
[1.47987998047e+004,6.61564025879e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.21011010742e+003,2.14091003418e+002,"Tt","Terrace deposits (Tertiary)"]
[2.86070996094e+004,6.57783996582e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.71213007813e+004,8.46232971191e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.65981992188e+004,5.12697998047e+002,"Tt","Terrace deposits (Tertiary)"]
[2.41078000000e+005,2.46930004883e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.47285996094e+004,5.75296020508e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[6.67391992188e+003,3.65502014160e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.90375976563e+003,2.56278991699e+002,"Tt","Terrace deposits (Tertiary)"]
[1.84003007813e+004,6.28294982910e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[4.20202978516e+003,2.91822998047e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.97133007813e+003,2.85428009033e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.41349023438e+003,3.53975006104e+002,"Tt","Terrace deposits (Tertiary)"]
[1.07330004883e+003,1.25489997864e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[3.46316015625e+004,7.28122985840e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.10423007813e+004,1.04052001953e+003,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[5.32737011719e+003,3.51196014404e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[6.11508984375e+003,2.91212005615e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[9.85804000000e+005,6.97879980469e+003,"dgf","Disturbed ground and artificial fill"]
[7.99225000000e+004,1.95557995605e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.07206992188e+004,7.80505004883e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.20067001953e+004,4.89388000488e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.65647998047e+003,1.89867004395e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[2.02664001465e+003,1.76839004517e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[9.85212988281e+003,3.74738006592e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.30467001953e+004,5.12291992188e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.00535009766e+003,3.35053009033e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.34946997070e+003,1.82848007202e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[1.90430996094e+004,5.42336975098e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.98034000000e+006,3.39731015625e+004,"dgf","Disturbed ground and artificial fill"]
[1.22872001953e+004,4.36981994629e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[9.33883984375e+003,3.91111999512e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.38325000000e+004,7.52702026367e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[9.58596972656e+003,5.74150024414e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.04500000000e+004,5.21090026855e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.90025000000e+003,1.63397003174e+002,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[2.18459003906e+004,6.22098022461e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[9.56849023438e+003,3.76196990967e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.53994000000e+006,2.02716992188e+004,"Qa","Alluvium (Holocene)"]
[2.02150996094e+004,5.48476989746e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.66560000000e+005,5.74806005859e+003,"Qa","Alluvium (Holocene)"]
[1.88565996094e+004,6.30960998535e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.87585000000e+005,4.54181005859e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.12580000000e+006,7.71368994141e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[2.58830004883e+003,1.93727996826e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.17163007813e+004,7.45601013184e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.43499003906e+004,6.59169982910e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.93431992188e+004,5.67148986816e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.53231992188e+004,9.75179992676e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.64847998047e+003,3.75523986816e+002,"dgf","Disturbed ground and artificial fill"]
[2.46056992188e+004,6.59400024414e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.16121000000e+006,1.50184003906e+004,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.67446015625e+004,1.81714001465e+003,"dgf","Disturbed ground and artificial fill"]
[1.06272001953e+004,4.33261993408e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.32530000000e+005,3.69028002930e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[5.33220000000e+006,1.43270996094e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[5.42221992188e+004,1.07854003906e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.91077000000e+005,4.37518994141e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.88795000000e+004,6.84283996582e+002,"dgf","Disturbed ground and artificial fill"]
[2.22715000000e+005,2.28726000977e+003,"dgf","Disturbed ground and artificial fill"]
[1.02016000000e+007,8.83603984375e+004,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.75505000000e+004,5.24142028809e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.49962998047e+004,5.10126007080e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.47537988281e+003,3.84747009277e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[9.72301000000e+005,9.87029003906e+003,"Qa","Alluvium (Holocene)"]
[3.11964003906e+004,7.84632995605e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.55216992188e+004,8.26518005371e+002,"Km","Monmouth Formation (upper Cretaceous)"]
[6.15566992188e+003,2.83631011963e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.05530996094e+004,3.97944000244e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.94241992188e+004,8.50380981445e+002,"Km","Monmouth Formation (upper Cretaceous)"]
[1.54024000000e+006,7.11731005859e+003,"dgf","Disturbed ground and artificial fill"]
[1.11870000000e+004,4.01921997070e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.15622998047e+004,4.09063995361e+002,"Km","Monmouth Formation (upper Cretaceous)"]
[2.08965000000e+004,5.31681030273e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.02141015625e+003,3.68046997070e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.10229003906e+004,7.32349975586e+002,"Km","Monmouth Formation (upper Cretaceous)"]
[7.38299023438e+003,3.57855010986e+002,"Tc","Calvert Formation (middle Miocene)"]
[2.64072000000e+005,1.95601000977e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[8.48733007813e+003,4.07201995850e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.52522001953e+004,6.20054016113e+002,"Km","Monmouth Formation (upper Cretaceous)"]
[8.53125000000e+000,2.94095993042e+001,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.35492001953e+004,5.32182983398e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.00659000000e+006,2.99688007813e+004,"Tc","Calvert Formation (middle Miocene)"]
[1.38490000000e+004,5.33893005371e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.70339990234e+003,2.86751007080e+002,"Km","Monmouth Formation (upper Cretaceous)"]
[7.45791992188e+003,3.46923004150e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.10476015625e+004,1.17760998535e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[4.24331005859e+003,2.39981994629e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.43485996094e+004,6.75206970215e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.31606000000e+006,7.96595996094e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[9.14585998535e+002,1.19328002930e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.66127000000e+006,2.16893007813e+004,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.30714001465e+003,1.93675003052e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.01780000000e+004,8.29155029297e+002,"dgf","Disturbed ground and artificial fill"]
[4.43501000000e+005,2.24814003906e+004,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[1.24652001953e+003,1.52953994751e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.78270000000e+004,9.78676025391e+002,"Qa","Alluvium (Holocene)"]
[1.34161999512e+003,1.51936996460e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[3.94806992188e+004,1.37311999512e+003,"Ql","Landslide (Holocene and Pleistocene)"]
[3.99995000000e+004,2.08612988281e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[2.62430996094e+004,9.33731018066e+002,"dgf","Disturbed ground and artificial fill"]
[4.84287000000e+006,2.01496992188e+004,"Qa","Alluvium (Holocene)"]
[2.11728002930e+003,1.91809005737e+002,"Qa","Alluvium (Holocene)"]
[2.27471992188e+004,1.19445996094e+003,"Tc","Calvert Formation (middle Miocene)"]
[7.15207000000e+005,1.74951992188e+004,"Tc","Calvert Formation (middle Miocene)"]
[1.24650996094e+004,4.50837005615e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.08781992188e+004,6.52351013184e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[3.08833007813e+004,1.82982995605e+003,"Ta","Aquia Formation (upper Paleocene)"]
[4.48456992188e+004,8.54036987305e+002,"Ql","Landslide (Holocene and Pleistocene)"]
[1.45409003906e+004,9.31546997070e+002,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[3.50194995117e+003,2.66018005371e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.32417001953e+004,6.22823974609e+002,"dgf","Disturbed ground and artificial fill"]
[1.51888000000e+005,2.53879003906e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[4.73733007813e+004,1.98743005371e+003,"Qa","Alluvium (Holocene)"]
[1.16340996094e+004,4.30751007080e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.10933007813e+004,1.77141003418e+003,"Ta","Aquia Formation (upper Paleocene)"]
[9.58816015625e+003,3.63433013916e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.27983000000e+005,2.03744995117e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[4.66198984375e+004,1.10806994629e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.92191992188e+004,2.23162011719e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[1.98375996094e+004,5.66780029297e+002,"Ql","Landslide (Holocene and Pleistocene)"]
[1.05145000000e+004,5.49820983887e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.00565000000e+004,4.91972991943e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[3.18449000000e+006,1.75189003906e+004,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.03109003906e+004,4.09940002441e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[5.83195019531e+003,4.67852996826e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.63764000000e+005,7.35614013672e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[2.00543007813e+004,9.62335998535e+002,"dgf","Disturbed ground and artificial fill"]
[1.74107995605e+003,1.51505996704e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[4.68086015625e+004,1.18572998047e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.24245000000e+005,2.22866992188e+003,"Qa","Alluvium (Holocene)"]
[1.55687000000e+005,3.94270996094e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[2.49789000000e+005,5.47204003906e+003,"Ta","Aquia Formation (upper Paleocene)"]
[6.09095000000e+005,1.02552998047e+004,"Tc","Calvert Formation (middle Miocene)"]
[5.41478984375e+004,9.01671997070e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.35792998047e+004,5.14909973145e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.99568007813e+004,8.33109008789e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.88820000000e+006,1.37457998047e+004,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.45377001953e+003,2.46442001343e+002,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[2.71305996094e+004,1.50590002441e+003,"dgf","Disturbed ground and artificial fill"]
[1.89461000000e+006,1.25310000000e+004,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[5.81620000000e+004,1.96356005859e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.21291000000e+005,2.02431994629e+003,"Qa","Alluvium (Holocene)"]
[9.78335998535e+002,1.33777999878e+002,"Qa","Alluvium (Holocene)"]
[1.68790000000e+005,1.85988000488e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.52680996094e+004,7.39617004395e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.16450996094e+004,5.47322021484e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.98603007813e+004,6.94460021973e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.62197021484e+003,3.57088989258e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.68216015625e+003,3.20454010010e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.47770019531e+003,2.47020996094e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.23503000000e+006,1.38000996094e+004,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[1.08161000000e+006,1.86634003906e+004,"Tc","Calvert Formation (middle Miocene)"]
[4.65514990234e+003,2.93696014404e+002,"dgf","Disturbed ground and artificial fill"]
[5.11372998047e+003,3.42718994141e+002,"dgf","Disturbed ground and artificial fill"]
[6.60189990234e+003,3.73747009277e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.24744000000e+005,2.22695996094e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.00034000000e+005,1.43547998047e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[6.50429980469e+003,3.91830993652e+002,"dgf","Disturbed ground and artificial fill"]
[4.33831982422e+003,3.20006011963e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.22300996094e+004,5.80989013672e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.47305000000e+005,2.99140991211e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.42075000000e+004,1.13278002930e+003,"Qa","Alluvium (Holocene)"]
[2.75352000000e+005,4.78108984375e+003,"Tc","Calvert Formation (middle Miocene)"]
[1.80509003906e+004,7.56223022461e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.30731000000e+005,4.18562011719e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[3.80859008789e+003,2.65803009033e+002,"dgf","Disturbed ground and artificial fill"]
[5.57357000000e+005,1.19615000000e+004,"Qa","Alluvium (Holocene)"]
[8.84359960938e+003,3.90975006104e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.10524003906e+004,6.93531982422e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.20658000000e+005,4.53650000000e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.05505000000e+005,4.89772998047e+003,"Ta","Aquia Formation (upper Paleocene)"]
[1.43912001953e+004,4.31623992920e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.36060998535e+003,2.37783996582e+002,"Qa","Alluvium (Holocene)"]
[4.82212988281e+003,4.28725006104e+002,"dgf","Disturbed ground and artificial fill"]
[1.70893994141e+003,1.89712005615e+002,"dgf","Disturbed ground and artificial fill"]
[1.72393007813e+004,8.43036987305e+002,"Qa","Alluvium (Holocene)"]
[5.83391000000e+005,7.86233007813e+003,"Tc","Calvert Formation (middle Miocene)"]
[1.16127998047e+004,9.71757019043e+002,"dgf","Disturbed ground and artificial fill"]
[5.34035000000e+005,4.68227978516e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.11763007813e+004,1.93527001953e+003,"Ta","Aquia Formation (upper Paleocene)"]
[1.74680000000e+005,3.42080004883e+003,"Tc","Calvert Formation (middle Miocene)"]
[5.49418984375e+004,9.80617004395e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[3.87835000000e+004,8.98388000488e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[8.86955000000e+004,1.56011999512e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[8.77202968750e+004,1.33972998047e+003,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.36022001953e+004,5.18142028809e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[2.26406992188e+004,7.11505981445e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[3.36216992188e+003,2.45423995972e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.76113007813e+004,6.59494995117e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.41647998047e+004,5.56349975586e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.07610996094e+004,5.13708984375e+002,"Qa","Alluvium (Holocene)"]
[1.72437000000e+005,2.53768994141e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[8.25762968750e+004,1.58419995117e+003,"dgf","Disturbed ground and artificial fill"]
[1.95953000000e+006,1.74113007813e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[3.01136992188e+004,7.29905029297e+002,"Ql","Landslide (Holocene and Pleistocene)"]
[1.33480000000e+005,1.96131994629e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[6.37498000000e+005,1.44850000000e+004,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[4.70765000000e+004,1.30997998047e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[3.53356015625e+004,8.47468994141e+002,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[5.51938000000e+006,3.31033007813e+004,"Ttu","Highest level upland terrace deposits (Tertiary)"]
[1.69185000000e+004,7.32567993164e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[6.48935000000e+005,7.39550000000e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.59491000000e+005,6.14120019531e+003,"Ta","Aquia Formation (upper Paleocene)"]
[2.90449000000e+005,5.81333984375e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[3.95152000000e+005,9.23099023438e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[1.91984000000e+005,5.07547998047e+003,"TKb","Brightseat Formation and Monmouth Group, undivided (lower Paleocene and upper Cretaceous)"]
[4.52442000000e+005,1.40730000000e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[5.13129000000e+005,1.08660000000e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[1.81913007813e+004,1.52739001465e+003,"Qa","Alluvium (Holocene)"]
[7.98192968750e+004,1.52843005371e+003,"Ql","Landslide (Holocene and Pleistocene)"]
[4.41834000000e+005,3.77291992188e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[3.12478000000e+005,4.04901000977e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[3.80450000000e+004,1.05458996582e+003,"Ta","Aquia Formation (upper Paleocene)"]
[3.85009008789e+003,2.97570007324e+002,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[3.14072000000e+006,2.56611992188e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[4.52673000000e+006,1.44795000000e+004,"Qfe","Upper level fluvial and estuarine deposits (Pleistocene)"]
[3.55511015625e+004,2.82159008789e+003,"Qa","Alluvium (Holocene)"]
[1.48152998047e+004,1.09115002441e+003,"Qa","Alluvium (Holocene)"]
[2.73715996094e+004,1.68050000000e+003,"Qa","Alluvium (Holocene)"]
[5.23049000000e+005,3.51008007813e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[5.82891015625e+004,3.55283007813e+003,"Qa","Alluvium (Holocene)"]
[1.02727001953e+004,7.49598999023e+002,"Qa","Alluvium (Holocene)"]
[2.65806992188e+004,1.81026000977e+003,"Qa","Alluvium (Holocene)"]
[6.86102031250e+004,3.47590991211e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[2.12949000000e+005,1.38134003906e+004,"Ks","Severn Formation (upper Cretaceous)"]
[8.59037011719e+003,4.60075012207e+002,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[2.56992993164e+003,2.47975997925e+002,"Qa","Alluvium (Holocene)"]
[1.47217000000e+006,3.50438007813e+004,"Ta","Aquia Formation (upper Paleocene)"]
[5.69603984375e+004,1.48275000000e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.33425000000e+006,1.67526992188e+004,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[6.43764990234e+003,8.86708984375e+002,"Qa","Alluvium (Holocene)"]
[1.84796000000e+005,3.75085009766e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[8.39262031250e+004,6.11462988281e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[1.56835996094e+004,1.75085998535e+003,"Tc","Calvert Formation (middle Miocene)"]
[9.44661015625e+004,5.25460986328e+003,"Tc","Calvert Formation (middle Miocene)"]
[2.23238007813e+004,1.42342004395e+003,"Qa","Alluvium (Holocene)"]
[8.55781015625e+004,5.26145996094e+003,"Tn","Nanjemoy Formation (Lower Eocene)"]
[7.02210986328e+003,9.15286987305e+002,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[2.99656005859e+003,2.20440002441e+002,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[7.38731015625e+004,6.14772998047e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[1.24120996094e+004,1.54593994141e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[1.18352000000e+005,6.90347998047e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[1.02143000000e+005,6.55150000000e+003,"Tn","Nanjemoy Formation (Lower Eocene)"]
[7.57815000000e+004,4.06258007813e+003,"Tc","Calvert Formation (middle Miocene)"]
[1.73188000488e+003,1.80820999146e+002,"Tc","Calvert Formation (middle Miocene)"]
[5.08623984375e+004,6.07137011719e+003,"Tc","Calvert Formation (middle Miocene)"]
[1.98290000000e+005,3.55404003906e+003,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[5.77796015625e+004,1.01077001953e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.60334997559e+003,1.90057998657e+002,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[1.75874003906e+004,1.10735998535e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[1.44249003906e+004,1.01845001221e+003,"Qa","Alluvium (Holocene)"]
[9.52896972656e+003,3.92441009521e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[3.74113007813e+004,1.36917004395e+003,"Qa","Alluvium (Holocene)"]
[2.61097000000e+006,1.63470000000e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.52165000000e+004,5.19396972656e+002,"Qc","Colluvium (Holocene and Pleistocene)"]
[4.21080000000e+004,1.75516003418e+003,"Qa","Alluvium (Holocene)"]
[1.54148000000e+005,3.06072998047e+003,"Qa","Alluvium (Holocene)"]
[8.76546000000e+005,7.54564013672e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.95559003906e+004,1.35293005371e+003,"Qa","Alluvium (Holocene)"]
[4.21128000000e+005,1.65146992188e+004,"Qa","Alluvium (Holocene)"]
[2.43746992188e+004,1.29177001953e+003,"Qa","Alluvium (Holocene)"]
[1.09235000000e+004,6.24604980469e+002,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.09664000000e+005,1.97808996582e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[7.06176000000e+005,1.56437998047e+004,"Ta","Aquia Formation (upper Paleocene)"]
[2.24764003906e+004,1.35655004883e+003,"Qa","Alluvium (Holocene)"]
[5.63191015625e+004,1.20205004883e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[7.15118000000e+006,2.83179003906e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[7.63303984375e+004,1.49748999023e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[3.92519000000e+006,2.84550996094e+004,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[1.20173000000e+005,5.20918017578e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[7.90994000000e+005,1.92554003906e+004,"Ta","Aquia Formation (upper Paleocene)"]
[5.27261015625e+004,2.44512011719e+003,"Qa","Alluvium (Holocene)"]
[1.17296000000e+005,8.54463964844e+003,"Tc","Calvert Formation (middle Miocene)"]
[3.25115000000e+006,2.21253007813e+004,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[4.26651000000e+005,1.47167998047e+004,"Qa","Alluvium (Holocene)"]
[8.99692031250e+004,1.49135998535e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[3.43636015625e+004,2.54836010742e+003,"Qa","Alluvium (Holocene)"]
[1.18950000000e+005,8.49207031250e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[2.89839003906e+004,1.01453002930e+003,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[2.54201000000e+005,9.37426953125e+003,"Tn","Nanjemoy Formation (Lower Eocene)"]
[6.12297998047e+003,7.85432983398e+002,"Tc","Calvert Formation (middle Miocene)"]
[9.65012988281e+003,7.13793029785e+002,"Qa","Alluvium (Holocene)"]
[1.08615996094e+004,9.28651000977e+002,"Qa","Alluvium (Holocene)"]
[1.00127001953e+003,1.56606002808e+002,"Tc","Calvert Formation (middle Miocene)"]
[4.04946992188e+004,1.92940002441e+003,"Ta","Aquia Formation (upper Paleocene)"]
[3.32983984375e+004,2.26903002930e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[4.32195019531e+003,5.91968994141e+002,"Ta","Aquia Formation (upper Paleocene)"]
[3.09882000000e+005,2.24500996094e+004,"Tc","Calvert Formation (middle Miocene)"]
[1.19797998047e+004,4.78651000977e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.03805004883e+003,3.37536010742e+002,"Tc","Calvert Formation (middle Miocene)"]
[1.78929003906e+004,2.35467993164e+003,"Tc","Calvert Formation (middle Miocene)"]
[5.79176992188e+004,4.62516992188e+003,"Qa","Alluvium (Holocene)"]
[9.20095019531e+003,9.49286010742e+002,"Qa","Alluvium (Holocene)"]
[6.91172998047e+003,4.58537994385e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[2.56520000000e+004,2.15941992188e+003,"Tn","Nanjemoy Formation (Lower Eocene)"]
[1.18910000000e+005,3.14025000000e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.77450000000e+003,3.39157012939e+002,"Tc","Calvert Formation (middle Miocene)"]
[1.50651000000e+005,9.21041015625e+003,"Tc","Calvert Formation (middle Miocene)"]
[6.14277978516e+003,4.57962005615e+002,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[4.85571992188e+004,3.56526000977e+003,"Qa","Alluvium (Holocene)"]
[1.64647000000e+005,1.06425000000e+004,"Qa","Alluvium (Holocene)"]
[1.00154000000e+005,8.44458007813e+003,"Tc","Calvert Formation (middle Miocene)"]
[2.88760000000e+004,2.63857006836e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[5.72063007813e+004,6.41881982422e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[2.14645000000e+004,1.06682995605e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[3.67435000000e+005,2.89467993164e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[4.47068007813e+004,3.42411010742e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[1.03205000000e+004,6.83771972656e+002,"Qa","Alluvium (Holocene)"]
[1.68682995605e+003,2.94533996582e+002,"Qa","Alluvium (Holocene)"]
[3.96768007813e+004,1.03125000000e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.21020000000e+004,1.12211999512e+003,"Qa","Alluvium (Holocene)"]
[1.01415000000e+004,9.84533020020e+002,"Qa","Alluvium (Holocene)"]
[1.23455000000e+004,1.52658996582e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[1.14590996094e+004,1.42001000977e+003,"Tc","Calvert Formation (middle Miocene)"]
[4.26605000000e+004,1.11342004395e+003,"Tyb","Yorktown Formation (Pliocene) and Bacons Castle Formation (upper Pliocene)"]
[1.53429003906e+004,8.44142028809e+002,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[3.34204003906e+003,4.37329010010e+002,"Qa","Alluvium (Holocene)"]
[1.72082995605e+003,1.66546997070e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.00087001953e+004,6.36101013184e+002,"Qa","Alluvium (Holocene)"]
[5.33222000000e+005,9.20808007813e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[1.45297001953e+004,8.12190979004e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.10790000000e+004,6.65091979980e+002,"Qa","Alluvium (Holocene)"]
[1.07446000000e+005,3.85118994141e+003,"Qa","Alluvium (Holocene)"]
[4.16818007813e+004,1.68329003906e+003,"Qa","Alluvium (Holocene)"]
[4.09513984375e+004,1.30158996582e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.75954003906e+004,1.01226000977e+003,"Qd","Debris (Holocene and Pleistocene)"]
[7.11256982422e+003,3.95130004883e+002,"Qd","Debris (Holocene and Pleistocene)"]
[5.43118984375e+004,2.42993994141e+003,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[5.30575000000e+003,3.22751007080e+002,"Qa","Alluvium (Holocene)"]
[3.15076000977e+003,3.40503997803e+002,"Qd","Debris (Holocene and Pleistocene)"]
[9.96750000000e+004,2.16260009766e+003,"Qa","Alluvium (Holocene)"]
[1.28763000000e+005,3.12161010742e+003,"Qa","Alluvium (Holocene)"]
[8.16193994141e+003,5.57963012695e+002,"Qa","Alluvium (Holocene)"]
[1.24740000000e+004,5.21315002441e+002,"Qa","Alluvium (Holocene)"]
[1.92920000000e+004,1.10722998047e+003,"Qd","Debris (Holocene and Pleistocene)"]
[7.73918994141e+003,5.06864990234e+002,"Qa","Alluvium (Holocene)"]
[5.81464990234e+003,5.37825988770e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.39421997070e+003,3.60165008545e+002,"Qd","Debris (Holocene and Pleistocene)"]
[5.66578984375e+004,1.45675000000e+003,"Qa","Alluvium (Holocene)"]
[2.03364003906e+004,1.62293994141e+003,"Qa","Alluvium (Holocene)"]
[1.16599003906e+004,4.46162994385e+002,"Tt","Terrace deposits (Tertiary)"]
[6.88222021484e+003,5.03609985352e+002,"Qa","Alluvium (Holocene)"]
[7.53595996094e+003,4.13111999512e+002,"Tt","Terrace deposits (Tertiary)"]
[2.77020000000e+004,9.24960998535e+002,"Qa","Alluvium (Holocene)"]
[2.00092004395e+003,2.09218994141e+002,"Qa","Alluvium (Holocene)"]
[1.46402998047e+004,1.12982995605e+003,"Qa","Alluvium (Holocene)"]
[5.32356992188e+004,1.42353002930e+003,"Qa","Alluvium (Holocene)"]
[1.64088000488e+003,2.15154006958e+002,"Qd","Debris (Holocene and Pleistocene)"]
[4.37508007813e+003,3.29213012695e+002,"Qa","Alluvium (Holocene)"]
[4.27087988281e+003,3.06218994141e+002,"Qd","Debris (Holocene and Pleistocene)"]
[5.72533984375e+004,1.26411999512e+003,"Qa","Alluvium (Holocene)"]
[7.12312988281e+003,4.44403015137e+002,"Qa","Alluvium (Holocene)"]
[1.48707001953e+004,5.86676025391e+002,"Tt","Terrace deposits (Tertiary)"]
[1.08530000000e+004,6.59752014160e+002,"Qa","Alluvium (Holocene)"]
[7.47460998535e+002,1.36725006104e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.76612988281e+003,4.01243988037e+002,"Qd","Debris (Holocene and Pleistocene)"]
[8.02997998047e+003,5.86361999512e+002,"Qa","Alluvium (Holocene)"]
[1.79778007813e+004,6.45195983887e+002,"Tt","Terrace deposits (Tertiary)"]
[2.53984008789e+003,2.62427001953e+002,"Qa","Alluvium (Holocene)"]
[2.68363989258e+003,3.10988006592e+002,"Qa","Alluvium (Holocene)"]
[2.21877001953e+003,2.49595001221e+002,"Qd","Debris (Holocene and Pleistocene)"]
[7.01885986328e+003,3.23395996094e+002,"Tt","Terrace deposits (Tertiary)"]
[8.33891015625e+003,5.61018005371e+002,"Qa","Alluvium (Holocene)"]
[2.90787011719e+003,2.13005996704e+002,"Tt","Terrace deposits (Tertiary)"]
[7.58366015625e+003,3.85636993408e+002,"Tt","Terrace deposits (Tertiary)"]
[3.95783984375e+004,1.04446997070e+003,"Tt","Terrace deposits (Tertiary)"]
[8.46483984375e+003,3.82787994385e+002,"Tt","Terrace deposits (Tertiary)"]
[6.72312011719e+003,6.72752014160e+002,"Qa","Alluvium (Holocene)"]
[1.71929000000e+005,4.54856005859e+003,"Qa","Alluvium (Holocene)"]
[7.99629003906e+003,4.46506988525e+002,"Tt","Terrace deposits (Tertiary)"]
[2.76356992188e+004,9.10114990234e+002,"Qt","Terrace deposit, low level (Holocene and Pleistocene)"]
[6.10335986328e+003,3.20229003906e+002,"Tt","Terrace deposits (Tertiary)"]
[1.51297998047e+004,5.06437988281e+002,"Tt","Terrace deposits (Tertiary)"]
[5.14725976563e+003,4.27601013184e+002,"Qa","Alluvium (Holocene)"]
[3.15479003906e+004,1.18867004395e+003,"Qa","Alluvium (Holocene)"]
[4.64006982422e+003,4.07726989746e+002,"Qa","Alluvium (Holocene)"]
[3.24055004883e+003,2.50839004517e+002,"Tt","Terrace deposits (Tertiary)"]
[5.32420000000e+004,2.62403002930e+003,"Qa","Alluvium (Holocene)"]
[1.20387998047e+004,5.00386993408e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.68195000000e+004,7.69380004883e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.79929003906e+004,7.07624023438e+002,"Qd","Debris (Holocene and Pleistocene)"]
[8.06585000000e+004,2.91906005859e+003,"Qa","Alluvium (Holocene)"]
[1.13967998047e+004,5.10368011475e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.56341000000e+005,6.46849023438e+003,"Qa","Alluvium (Holocene)"]
[8.86437011719e+003,5.91700988770e+002,"Qd","Debris (Holocene and Pleistocene)"]
[3.99096997070e+003,3.46391998291e+002,"Qd","Debris (Holocene and Pleistocene)"]
[1.65385000000e+004,7.53505004883e+002,"Qd","Debris (Holocene and Pleistocene)"]
[2.30798999023e+003,2.36432006836e+002,"Qa","Alluvium (Holocene)"]
[2.50902001953e+003,4.00048004150e+002,"Qa","Alluvium (Holocene)"]
[5.90779003906e+003,5.01373992920e+002,"Qa","Alluvium (Holocene)"]
[1.07129003906e+004,8.03252990723e+002,"Qd","Debris (Holocene and Pleistocene)"]
[7.38449023438e+003,3.53097991943e+002,"Tt","Terrace deposits (Tertiary)"]
[6.88462011719e+003,3.13247985840e+002,"Tt","Terrace deposits (Tertiary)"]
[6.23750000000e+003,4.55695007324e+002,"Qa","Alluvium (Holocene)"]
[5.02980000000e+004,1.27529003906e+003,"Tt","Terrace deposits (Tertiary)"]
[1.05689003906e+004,4.12187011719e+002,"Tt","Terrace deposits (Tertiary)"]
[2.14073999023e+003,2.97100006104e+002,"Qa","Alluvium (Holocene)"]
[1.30755996094e+004,4.40579010010e+002,"Tt","Terrace deposits (Tertiary)"]
[7.81045019531e+003,6.16189025879e+002,"Qa","Alluvium (Holocene)"]
[3.13496992188e+004,1.99936999512e+003,"Qa","Alluvium (Holocene)"]
[8.76158007813e+003,3.49946014404e+002,"Tt","Terrace deposits (Tertiary)"]
[2.77419995117e+003,3.05976013184e+002,"Qa","Alluvium (Holocene)"]
[8.39378984375e+004,2.08512988281e+003,"Tt","Terrace deposits (Tertiary)"]
[8.54858984375e+003,3.99386993408e+002,"Tt","Terrace deposits (Tertiary)"]
[3.77154003906e+003,4.07295989990e+002,"Qa","Alluvium (Holocene)"]
[1.59785000000e+004,5.45476989746e+002,"Tt","Terrace deposits (Tertiary)"]
[2.78508007813e+004,1.00773999023e+003,"Tt","Terrace deposits (Tertiary)"]
[9.20179003906e+003,3.96097991943e+002,"Tt","Terrace deposits (Tertiary)"]
[5.45633984375e+003,2.92032989502e+002,"Tt","Terrace deposits (Tertiary)"]
[1.90505000000e+004,1.24406005859e+003,"Qa","Alluvium (Holocene)"]
[3.79297998047e+003,2.34427001953e+002,"Tt","Terrace deposits (Tertiary)"]
[1.87358007813e+004,5.60497009277e+002,"Tt","Terrace deposits (Tertiary)"]
[9.94141015625e+004,2.12564990234e+003,"Tt","Terrace deposits (Tertiary)"]
[1.57149003906e+004,5.71541992188e+002,"Tt","Terrace deposits (Tertiary)"]
[7.59870996094e+003,3.82898986816e+002,"Tt","Terrace deposits (Tertiary)"]
[9.03075976563e+003,4.26605010986e+002,"Tt","Terrace deposits (Tertiary)"]
[2.04192004395e+003,2.04776000977e+002,"Tt","Terrace deposits (Tertiary)"]
[6.59466015625e+003,3.26811004639e+002,"Tt","Terrace deposits (Tertiary)"]
[4.29591015625e+003,2.59957000732e+002,"Tt","Terrace deposits (Tertiary)"]
[1.09365996094e+004,4.51636993408e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.48390996094e+004,6.12421020508e+002,"Tt","Terrace deposits (Tertiary)"]
[1.46420996094e+004,4.74674987793e+002,"Tt","Terrace deposits (Tertiary)"]
[1.25560996094e+004,4.90411010742e+002,"Tt","Terrace deposits (Tertiary)"]
[6.69006005859e+003,3.27158996582e+002,"Tt","Terrace deposits (Tertiary)"]
[2.85651000977e+003,2.93334991455e+002,"Qa","Alluvium (Holocene)"]
[5.24714013672e+003,2.84036010742e+002,"Tt","Terrace deposits (Tertiary)"]
[1.31577998047e+004,4.37196014404e+002,"Tt","Terrace deposits (Tertiary)"]
[9.13795996094e+003,6.55411987305e+002,"Qa","Alluvium (Holocene)"]
[2.01323007813e+004,5.84984985352e+002,"Tt","Terrace deposits (Tertiary)"]
[3.39828007813e+004,9.43073974609e+002,"Tt","Terrace deposits (Tertiary)"]
[5.72093984375e+004,2.66347998047e+003,"Qa","Alluvium (Holocene)"]
[2.75705996094e+004,6.15859008789e+002,"Tt","Terrace deposits (Tertiary)"]
[7.34049023438e+003,3.46078002930e+002,"Tt","Terrace deposits (Tertiary)"]
[7.01270019531e+003,3.28053009033e+002,"Tt","Terrace deposits (Tertiary)"]
[1.90647000000e+005,2.12094995117e+003,"Tt","Terrace deposits (Tertiary)"]
[2.27851000000e+005,3.74621997070e+003,"Tt","Terrace deposits (Tertiary)"]
[2.44814000000e+005,2.17114990234e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[2.38940996094e+004,1.51397998047e+003,"Qa","Alluvium (Holocene)"]
[2.20428002930e+003,1.93026000977e+002,"Tt","Terrace deposits (Tertiary)"]
[7.15925976563e+003,4.91872009277e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[5.05943000000e+005,7.21341015625e+003,"dgf","Disturbed ground and artificial fill"]
[4.30456005859e+003,2.58480987549e+002,"Tt","Terrace deposits (Tertiary)"]
[3.27408007813e+003,2.20061996460e+002,"Tt","Terrace deposits (Tertiary)"]
[7.60397000000e+005,5.85787011719e+003,"Tt","Terrace deposits (Tertiary)"]
[3.24834000000e+005,9.17758007813e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.97303000000e+005,2.91942993164e+003,"Tt","Terrace deposits (Tertiary)"]
[3.98193007813e+004,9.78054992676e+002,"Qa","Alluvium (Holocene)"]
[2.99738007813e+004,1.87813000488e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[6.99949023438e+003,3.17705993652e+002,"Tt","Terrace deposits (Tertiary)"]
[3.36131015625e+004,1.72741003418e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.43187000000e+005,1.59620996094e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.07048000000e+006,1.40874003906e+004,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.02267000000e+006,2.18154003906e+004,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.20696000000e+005,4.77300000000e+003,"Tt","Terrace deposits (Tertiary)"]
[8.80602000000e+006,2.76966992188e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[6.18860986328e+003,3.20529998779e+002,"Tt","Terrace deposits (Tertiary)"]
[1.22538000000e+005,1.50318994141e+003,"Tt","Terrace deposits (Tertiary)"]
[4.68488000000e+005,4.86381982422e+003,"Tt","Terrace deposits (Tertiary)"]
[7.52247000000e+005,1.59082998047e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[5.73695000000e+005,8.41579003906e+003,"Tt","Terrace deposits (Tertiary)"]
[1.04888000000e+005,1.92386999512e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[9.83433984375e+004,1.48326000977e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.37943000000e+005,2.84071997070e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.31208007813e+004,9.56445007324e+002,"Tt","Terrace deposits (Tertiary)"]
[2.92830000000e+004,7.69492980957e+002,"Tt","Terrace deposits (Tertiary)"]
[1.08741000000e+005,2.44526000977e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.04510000000e+005,1.32791003418e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.60289003906e+004,8.20474975586e+002,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.03202000000e+007,2.45419003906e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[4.62656000000e+005,5.31781982422e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[5.94376992188e+004,1.29460998535e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.33110000000e+006,2.11764003906e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[6.39595019531e+003,2.99304992676e+002,"Tt","Terrace deposits (Tertiary)"]
[1.97056992188e+004,7.99218994141e+002,"Tt","Terrace deposits (Tertiary)"]
[1.73580000000e+004,5.91700988770e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.48856992188e+004,1.16133996582e+003,"Tt","Terrace deposits (Tertiary)"]
[2.03704003906e+004,6.17127990723e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.11639003906e+004,5.19239990234e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.75132000000e+005,2.73753002930e+003,"Tt","Terrace deposits (Tertiary)"]
[1.47285000000e+004,4.71049987793e+002,"Tt","Terrace deposits (Tertiary)"]
[2.16288000000e+005,4.44325976563e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[2.11215996094e+004,6.85614990234e+002,"Tt","Terrace deposits (Tertiary)"]
[1.03129003906e+004,4.24746002197e+002,"Tt","Terrace deposits (Tertiary)"]
[3.60348984375e+004,1.01582000732e+003,"Tt","Terrace deposits (Tertiary)"]
[9.78276015625e+004,1.93283996582e+003,"Tt","Terrace deposits (Tertiary)"]
[5.69626992188e+004,1.02792004395e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[4.90029003906e+003,2.81036010742e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.55998000000e+005,3.31510009766e+003,"Tt","Terrace deposits (Tertiary)"]
[1.54779003906e+004,5.03963989258e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[3.55656992188e+004,1.05722998047e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[4.11292000000e+005,4.78660009766e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[3.93297000000e+005,9.25688964844e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[3.13569000000e+006,2.44965996094e+004,"Tt","Terrace deposits (Tertiary)"]
[1.13372998047e+004,4.06666992188e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[7.12691000000e+005,1.12074003906e+004,"Qc","Colluvium (Holocene and Pleistocene)"]
[1.20740000000e+006,2.17069003906e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[8.12492968750e+004,2.39242993164e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[7.00258984375e+004,1.18963000488e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.90155000000e+004,5.77280029297e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.11250000000e+006,2.91444003906e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[7.14704003906e+003,1.01940002441e+003,"Qa","Alluvium (Holocene)"]
[6.91537000000e+005,6.02862011719e+003,"Tt","Terrace deposits (Tertiary)"]
[4.63223984375e+004,1.09818005371e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[6.18496015625e+004,1.64054003906e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[3.02131992188e+004,8.87169982910e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[8.36667968750e+004,1.72010998535e+003,"Tt","Terrace deposits (Tertiary)"]
[7.78271000000e+005,7.37018017578e+003,"Tt","Terrace deposits (Tertiary)"]
[8.14468000000e+005,1.18982001953e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[3.93005000000e+004,1.17535998535e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[9.59178000000e+005,9.02817968750e+003,"Qc","Colluvium (Holocene and Pleistocene)"]
[5.39495000000e+005,5.08450000000e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.29252998047e+004,4.22195007324e+002,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[8.91912000000e+005,4.61566992188e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[2.88130996094e+004,1.16515002441e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[9.75557031250e+004,1.38892004395e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[4.10522000000e+006,1.65605000000e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[3.21586000000e+005,3.57533007813e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.58030000000e+006,1.51097001953e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[2.06554000000e+005,1.89295996094e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[4.52086992188e+004,2.57088989258e+003,"Qa","Alluvium (Holocene)"]
[8.03312000000e+006,3.75793007813e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.54887000000e+006,1.38609003906e+004,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[5.15337988281e+003,3.01010986328e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.53737001953e+004,5.39671020508e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.51009003906e+004,1.55927001953e+003,"Qa","Alluvium (Holocene)"]
[4.33183000000e+006,4.80683984375e+004,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[3.16485000000e+004,1.39460998535e+003,"Qa","Alluvium (Holocene)"]
[3.62353007813e+004,1.67829003906e+003,"Qa","Alluvium (Holocene)"]
[4.34461992188e+004,1.13810998535e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.20998000000e+006,1.09142998047e+004,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[4.14968994141e+003,7.56684997559e+002,"Qa","Alluvium (Holocene)"]
[1.10457001953e+004,9.03684997559e+002,"Qa","Alluvium (Holocene)"]
[2.51866992188e+004,7.55453979492e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.12717998047e+004,7.15859985352e+002,"Qa","Alluvium (Holocene)"]
[2.88435000000e+005,1.03900996094e+004,"Qa","Alluvium (Holocene)"]
[3.81681015625e+004,1.04521997070e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[1.30354003906e+004,8.10008972168e+002,"Qa","Alluvium (Holocene)"]
[1.65954000000e+006,1.30790996094e+004,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.44888000000e+005,3.27490991211e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[2.21404003906e+004,1.11201000977e+003,"Qa","Alluvium (Holocene)"]
[7.67927031250e+004,3.26492993164e+003,"Qa","Alluvium (Holocene)"]
[2.42533007813e+004,1.07571997070e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.44702000000e+005,1.75084997559e+003,"Tt","Terrace deposits (Tertiary)"]
[7.99182031250e+004,4.02286010742e+003,"Kpc","Potomac Formation (Lower Cretaceous) Clay-dominated lithofacies"]
[2.24383007813e+004,1.59926000977e+003,"Qa","Alluvium (Holocene)"]
[2.76662000000e+005,3.38509008789e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[6.33347021484e+003,4.83097991943e+002,"Qa","Alluvium (Holocene)"]
[3.98978984375e+004,1.47868005371e+003,"Qa","Alluvium (Holocene)"]
[1.24803000000e+005,2.47762011719e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[9.82186000000e+005,5.82702001953e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[8.08700000000e+003,4.90502990723e+002,"Qa","Alluvium (Holocene)"]
[8.51902031250e+004,2.16566992188e+003,"Qa","Alluvium (Holocene)"]
[2.90950000000e+003,2.37343002319e+002,"Qa","Alluvium (Holocene)"]
[6.02363984375e+004,1.17532995605e+003,"Tt","Terrace deposits (Tertiary)"]
[5.96250000000e+002,1.29917007446e+002,"Qa","Alluvium (Holocene)"]
[5.28298984375e+004,2.48168994141e+003,"Qa","Alluvium (Holocene)"]
[1.21140996094e+004,9.24486999512e+002,"Qa","Alluvium (Holocene)"]
[1.27070000000e+004,6.05395019531e+002,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.21170000000e+005,6.26147998047e+003,"QTt","Terrace deposits, upper level (Pleistocene and Tertiary)"]
[6.09275000000e+003,6.35409973145e+002,"Qa","Alluvium (Holocene)"]
[3.09113989258e+003,3.32630004883e+002,"Qa","Alluvium (Holocene)"]
[1.40199003906e+004,1.00659002686e+003,"Qa","Alluvium (Holocene)"]
[3.05443007813e+004,1.47382995605e+003,"Qa","Alluvium (Holocene)"]
[4.86641015625e+003,3.97324005127e+002,"Qa","Alluvium (Holocene)"]
[2.11140991211e+003,2.32477996826e+002,"Qa","Alluvium (Holocene)"]
[2.29108993530e+002,9.28564987183e+001,"Qa","Alluvium (Holocene)"]
[2.28331005859e+003,2.44179000854e+002,"Qa","Alluvium (Holocene)"]
[4.26651000000e+005,1.47167998047e+004,"Qa","Alluvium (Holocene)"]
[4.26651000000e+005,1.47167998047e+004,"Qa","Alluvium (Holocene)"]
[4.26651000000e+005,1.47167998047e+004,"Qa","Alluvium (Holocene)"]
[4.26651000000e+005,1.47167998047e+004,"Qa","Alluvium (Holocene)"]
[4.26651000000e+005,1.47167998047e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[2.72842000000e+006,2.94878007813e+004,"Qa","Alluvium (Holocene)"]
[8.42209000000e+005,1.24327001953e+004,"Qa","Alluvium (Holocene)"]
[9.13221000000e+005,1.93949003906e+004,"Qa","Alluvium (Holocene)"]
[9.13221000000e+005,1.93949003906e+004,"Qa","Alluvium (Holocene)"]
[9.13221000000e+005,1.93949003906e+004,"Qa","Alluvium (Holocene)"]
[9.13221000000e+005,1.93949003906e+004,"Qa","Alluvium (Holocene)"]
[9.13221000000e+005,1.93949003906e+004,"Qa","Alluvium (Holocene)"]
[6.98034000000e+006,3.39731015625e+004,"dgf","Disturbed ground and artificial fill"]
[1.43927000000e+006,5.85151015625e+004,"Qa","Alluvium (Holocene)"]
[9.35447375000e+005,1.94562421875e+004,"dgf","Disturbed ground and artificial fill"]
[2.21164390625e+005,1.99505566406e+003,"Qa","Alluvium (Holocene)"]
[2.14844468750e+005,2.00637890625e+003,"Qa","Alluvium (Holocene)"]
[5.97000390625e+004,2.37297290039e+003,"Qa","Alluvium (Holocene)"]
[4.24261093750e+004,1.51035571289e+003,"Qa","Alluvium (Holocene)"]
[3.04730812500e+005,7.33813134766e+003,"Qa","Alluvium (Holocene)"]
[8.16792968750e+003,5.25395935059e+002,"Qa","Alluvium (Holocene)"]
[8.97836171875e+004,1.39013220215e+003,"Qa","Alluvium (Holocene)"]
[6.18689062500e+004,1.97053503418e+003,"Qa","Alluvium (Holocene)"]
[1.13854734375e+005,2.91470385742e+003,"Qa","Alluvium (Holocene)"]
[3.50463437500e+004,1.10890405273e+003,"Qa","Alluvium (Holocene)"]
[7.32645000000e+004,1.16024584961e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.51633390625e+005,1.56920727539e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.35197887500e+006,9.59108789063e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.25656262500e+006,7.01958642578e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[9.56464062500e+003,4.67469329834e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[3.23642578125e+004,8.62098510742e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[5.92363812500e+005,4.57622705078e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[3.31288406250e+005,3.12133398438e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.76819687500e+004,1.03783422852e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.82948343750e+005,2.92615087891e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.97781953125e+004,7.32154602051e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[3.31770156250e+005,3.19131542969e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[2.16346656250e+005,1.87314270020e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.75271093750e+003,2.07512573242e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[5.24469437500e+005,3.65546337891e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.14160234375e+004,5.37747375488e+002,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[1.37815968750e+005,1.86193542480e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[5.34209125000e+005,3.64823803711e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[7.63187187500e+005,4.36244091797e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]
[7.96875000000e-001,4.40068006516e+000,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[2.64921000000e+005,2.89960009766e+003,"Qte","Low level fluvial and estuarine deposits (Pleistocene)"]
[1.80944000000e+005,3.29957006836e+003,"Kp","Potomac Formation (Upper and Lower Cretaceous)"]
[6.65525000000e+004,5.47270019531e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[6.65525000000e+004,5.47270019531e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[6.65525000000e+004,5.47270019531e+003,"Tm","Marlboro Clay (lower Eocene and upper Paleocene)"]
[1.26722000000e+006,2.57599003906e+004,"Ta","Aquia Formation (upper Paleocene)"]
[8.38658000000e+005,4.93893017578e+003,"dgf","Disturbed ground and artificial fill"]
[8.38658000000e+005,4.93893017578e+003,"dgf","Disturbed ground and artificial fill"]
[1.03702000000e+006,8.78645996094e+003,"Kps","Potomac Formation (Lower Cretaceous) Sand-dominated lithofacies"]