@misc{indiciaee41cad439065,
  title = {National Water-Quality Assessment Program - South-Central Texas},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1994},
  doi = {10.3133/fs04894},
  url = {https://pubs.usgs.gov/publication/fs04894},
  note = {Source identifier: fs04894}
}