TY - RPRT TI - Hydrogeologic aspects of the Knippa Gap area in eastern Uvalde and western Medina counties, Texas AU - Rebecca B. Lambert AU - Allan K. Clark AU - Diana E. Pedraza AU - Robert R. Morris PY - 2014 DO - 10.3133/fs20143045 UR - https://pubs.usgs.gov/publication/fs20143045 ID - fs20143045 ER -