TY - RPRT TI - Progress report on geology of the Edwards aquifer, San Antonio area, Texas, and preliminary interpretation of borehole geophysical and laboratory data on carbonate rocks AU - Robert W. Maclay AU - Ted A. Small PY - 1976 DO - 10.3133/ofr76627 UR - https://pubs.usgs.gov/publication/ofr76627 ID - ofr76627 ER -