INTRODUCTION ZOOMED MAP ANNOTATED MAP SYMBOLS & ABBREVIATIONS

C - CREEP EVIDENCE   Codes and abbreviations used on map   C1  -  strongly pronounced fault creep   C2  -  distinct and certain creep evidence   C3  -  inconclusive evidence for creep   C?  -  additional uncertainty in tectonic origin     aa - alinement array   cb - concentration of cracks in above-grade structure   cc - concentration of cracks in concrete slab   cp - concentration of pavement cracks   cr - clockwise rotation of sidewalk   cs - curb separating from sidewalk or pavement   cw - clockwise rotation of wall   ec - en echelon left-stepping cracks in pavement   jo - opening of joints or cracks in concrete   pp - multiple patches in pavement   pu - compressional pop-up or buckle in concrete   ra - right-laterally offset aqueduct, water pipe, or tunnel   rb - distortion of above-grade structure (including separating additions and stairways)   rc - right-laterally offset curb or form line or railing   rf - right-laterally offset fence line   rp - right-laterally offset painted line   rr - right-laterally offset railroad tracks or guardrail   rs - right-laterally offset sidewalk   rt - right-laterally offset line of trees   rw - right-laterally offset wall   so - surveyed offset feature   u -  unspecified evidence   RETURN TO MAIN MAP RETURN TO INTRODUCTION