USGS
Lake Pontchartrain Basin:  Bottom Sediments and Related Environmental Resources

Table 1.  Sample from the consolidated data table, a flat file.
   [units of measure are reflected in the field name: UG_G denotes :g/g]

UNIQUE_ID LATITUDE LONGITUDE SRCE_OR_RF GEN_LOC_NM SPECFC_LOC AREA_CODE ORIG_STATN DPTH_CODE SMPLNG_DEV AG_UG_G AS_UG_G BA_UG_G BE_UG_G HG_UG_G NI_UG_G PB_UG_G SB_UG_G ZN_UG_G PH_TOT_PCT PCBTOT_UGG DDE_(T)_C
1 30.044600 -90.245022 Schurtz and St. Pé, 1984 Lake Pontchartrain south coast, 400 yards north of Duncan Canal, Jefferson Parish LP-NO LP02 surface Petite ponar 0.157 0.822 54.8 0.21 0 5.05 9.44 0 37.5 15 4 0.6
4 30.036341 -90.034427 Schurtz and St. Pé, 1984 Lake Pontchartrain south coast, 400 yards north-northwest of IHNC, Orleans Parish LP-NO LP07 surface Petite ponar 0.206 1.06 89.8 0.364 0.118 7 66.6 0.03 201 50 7  
7 30.103833 -89.968835 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 2.75 miles north-northwest of Jahncke Canal, Orleans Parish LP-PH LP09 surface Petite ponar 0.091 0.634 39.8 0.542 0 8.8 14 0 61.3 4    
9 30.095000 -90.035500 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 4.2 miles north of IHNC, Orleans parish LP-CE LP10 surface Petite ponar 0.043 0.577 29.6 0.346 0 6.08 16 0 34.7 3    
11 30.041666 -90.077833 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 1.5 miles north-northwest of London Ave. Canal, Orleans Parish LP-NO LP11 surface Petite ponar 0.176 0.899 130 1.14 0.061 10.7 43.9 0 87.8 17 5 0.6
14 30.051166 -90.123666 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 1.8 miles north of 17th St. Canal, Jefferson Parish LP-NO LP12 surface Petite ponar 0.181 0.284 106 1.55 0.024 9.89 35.7 0 82.8 8.4   0.4
17 30.079166 -90.131166 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 4.5 miles north northeast of Bonnabel Canal, Jefferson Parish LP-CE LP13 surface Petite ponar 0.124 1.67 76.3 2.2 0.004 8.24 30.5 0.015 80.6 3.3    
19 30.070000 -90.210500 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 2.9 miles north-northeast of Elmwood Canal, Jefferson Parish LP-NO LP14 surface Petite ponar 0.112 3.1 68.4 0.859 0.013 8.15 35.2 0.122 73.6 4    
21 30.092333 -90.252167 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 3.9 miles north-northwest of Duncan Canal, Jefferson Parish LP-NO LP15 surface Petite ponar 0.069 0.534 63.6 0.392 0.027 6.53 15.8 0 47.4 2    
23 30.103833 -90.274167 Schurtz and St. Pé, 1984 Lake Pontchartrain approximately 4.1 miles north of Parish Line Canal, Jefferson Parish LP-BC LP16 surface Petite ponar 0.052 0.38 67.4 0.418 0.023 6.13 13.4 0 36.4 2.2    
25 30.051711 -90.278939 Schurtz and St. Pé, 1984 Lake Pontchartrain south coast, 400 yards north of Parish Line Canal, Jefferson Parish LP-NO LP01 surface Petite ponar 0.07 0.353 22 0.031 0.059 17.2 6.47 0.009 33 8.4   1
28 30.026397 -90.180583 Schurtz and St. Pé, 1984 Lake Pontchartrain south coast, 400 yards north of Suburban Canal, Jefferson Parish LP-NO LP03 surface Petite ponar 0.101 0.167 15.5 0.134 0.083 11.6 9.31 0 35.1 24   0
31 30.027280 -90.123008 Schurtz and St. Pé, 1984 Lake Pontchartrain south coast, 400 yards north-northwest of 17th St. Canal, Jefferson Parish LP-NO LP04 surface Petite ponar 0.779 0.723 56.4 0.355 0.402 34.7 212 0.125 220 527 120 25
35 30.031169 -90.082205 Schurtz and St. Pé, 1984 Lake Pontchartrain south coast, 400 yards north of Bayou St. John, Orleans Parish LP-NO LP05 surface Petite ponar 0.153 0.134 51.9 0.475 0.108 13.9 33.4 0.084 57 50 1  


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