@misc{indiciaedc8dd4113f2e,
  title = {Hydrogeologic sections of the Edwards Aquifer and its confining units in the San Antonio area, Texas},
  author = {Ted A. Small},
  year = {1986},
  doi = {10.3133/wri854259},
  url = {https://pubs.usgs.gov/publication/wri854259},
  note = {Source identifier: wri854259}
}