@misc{indiciaea6ff0ce1b25e,
  title = {Hydrology of the Texas Gulf Coast aquifer systems},
  author = {Paul D. Ryder and Ann F. Ardis},
  year = {1991},
  doi = {10.3133/ofr9164},
  url = {https://pubs.usgs.gov/publication/ofr9164},
  note = {Source identifier: ofr9164}
}