@misc{indiciae2710f9fb74be,
  title = {Progress report on geology of the Edwards aquifer, San Antonio area, Texas, and preliminary interpretation of borehole geophysical and laboratory data on carbonate rocks},
  author = {Robert W. Maclay and Ted A. Small},
  year = {1976},
  doi = {10.3133/ofr76627},
  url = {https://pubs.usgs.gov/publication/ofr76627},
  note = {Source identifier: ofr76627}
}