@misc{indiciaee9f276f58799,
  title = {Westminster Quadrangle, geology, hydrology, and mineral resources},
  author = {E. G. Otton},
  year = {1977},
  doi = {10.3133/ofr77790},
  url = {https://pubs.usgs.gov/publication/ofr77790},
  note = {Source identifier: ofr77790}
}