@misc{indiciaebbf4f9dd37f2,
  title = {The potential of breccia pipes in the National Tank Aream, Hualapai Indian Rreservation, Arizona},
  author = {Karen J. Wenrich and George H. Billingsley and Bradley S. Van Gosen},
  year = {1989},
  doi = {10.3133/b1683b},
  url = {https://pubs.usgs.gov/publication/b1683B},
  note = {Source identifier: b1683B}
}