@misc{indiciae0df0ab800875,
  title = {Geologic map of the Guthrie Quadrangle, Graham and Greenlee counties, Arizona},
  author = {D.H. Richter and B. B. Houser and P.E. Damon},
  year = {1983},
  doi = {10.3133/i1455},
  url = {https://pubs.usgs.gov/publication/i1455},
  note = {Source identifier: i1455}
}