TY - RPRT TI - Flow paths in the Edwards aquifer, northern Medina and northeastern Uvalde Counties, Texas, based on hydrologic identification and geochemical characterization and simulation AU - Allan K. Clark AU - Celeste A. Journey PY - 2006 DO - 10.3133/sir20065200 UR - https://pubs.usgs.gov/publication/sir20065200 ID - sir20065200 ER -