@misc{indiciaeb041fe68b6b0,
  title = {Interpretive map and guide to the volcanic geology of Chiricahua National Monument and vicinity, Cochise County, Arizona},
  author = {J.S. Pallister and E. A. Du Bray and D.B. Hall},
  year = {1997},
  doi = {10.3133/i2541},
  url = {https://pubs.usgs.gov/publication/i2541},
  note = {Source identifier: i2541}
}