@misc{indiciae761226b98aeb,
  title = {Geologic and structure contour maps of the Gallup 30' x 60' Quadrangle, McKinley County, New Mexico},
  author = {J.K. Dillinger},
  year = {1990},
  doi = {10.3133/i2009},
  url = {https://pubs.usgs.gov/publication/i2009},
  note = {Source identifier: i2009}
}