TY - RPRT TI - Hydrostratigraphic subdivisions and fault barriers of the Edwards aquifer, south-central Texas, U.S.A. AU - R.W. Maclay AU - T. A. Small PY - 1983 DO - 10.1016/0022-1694(83)90239-1 UR - https://pubs.usgs.gov/publication/70011646 ID - 70011646 ER -