@misc{indiciae334282b58939,
  title = {Geology and ground-water resources of Webb County, Texas},
  author = {John T. Lonsdale and James R. Day},
  year = {1937},
  doi = {10.3133/wsp778},
  url = {https://pubs.usgs.gov/publication/wsp778},
  note = {Source identifier: wsp778}
}