@misc{indiciaef498c0152d62,
  title = {Tertiary and Quaternary geology of the lower Rio Grande region, Texas},
  author = {Arthur C. Trowbridge},
  year = {1932},
  doi = {10.3133/b837},
  url = {https://pubs.usgs.gov/publication/b837},
  note = {Source identifier: b837}
}