@misc{indiciae62a6c6028ae3,
  title = {Geology and coal resources of the Gallup-Zuni basin, New Mexico},
  author = {Julian Ducker Sears},
  year = {1925},
  doi = {10.3133/b767},
  url = {https://pubs.usgs.gov/publication/b767},
  note = {Source identifier: b767}
}