@misc{indiciaee781166279fa,
  title = {The potential for breccia pipes in the National Tank Area, Hualapai Indian Reservation, Arizona},
  author = {K. J. Wenrich and G. H. Billingsley and B. S. Van Gosen},
  year = {1986},
  doi = {10.3133/ofr86592a},
  url = {https://pubs.usgs.gov/publication/ofr86592A},
  note = {Source identifier: ofr86592A}
}