@misc{indiciae7d546511b2b6,
  title = {Geologic map of the Steins quadrangle and the adjacent part of the Vanar quadrangle, Hidalgo County, New Mexico},
  author = {Harald Drewes and C.H. Thorman},
  year = {1980},
  doi = {10.3133/i1220},
  url = {https://pubs.usgs.gov/publication/i1220},
  note = {Source identifier: i1220}
}