@misc{indiciae025880eaa71a,
  title = {Breccia pipe and geologic map of the northwestern Hualapai Indian Reservation and vicinity, Arizona},
  author = {K. J. Wenrich and G. H. Billingsley and P. W. Huntoon},
  year = {1986},
  doi = {10.3133/ofr86458c},
  url = {https://pubs.usgs.gov/publication/ofr86458C},
  note = {Source identifier: ofr86458C}
}