@misc{indiciaea572edc619f4,
  title = {Records of precipitation, aquifer head, and ground-water recharge to the Edwards and associated limestones, San Antonio area, Texas, 1967},
  author = {Paul Rettman},
  year = {1968},
  url = {https://pubs.usgs.gov/publication/70175662},
  note = {Source identifier: 70175662}
}