@misc{indiciaee499166724c7,
  title = {Memorandum regarding the El Paso water supply},
  author = {A.N. Sayre and Penn Livingston},
  year = {1940},
  doi = {10.3133/ofr4015},
  url = {https://pubs.usgs.gov/publication/ofr4015},
  note = {Source identifier: ofr4015}
}