TY - RPRT TI - Development of a geodatabase for springs within and surrounding outcrops of the Trinity aquifer in northern Bexar County, Texas, 2010-11 AU - Allan K. Clark AU - Diane E. Pedraza PY - 2013 DO - 10.3133/fs20133044 UR - https://pubs.usgs.gov/publication/fs20133044 ID - fs20133044 ER -