@misc{indiciae642c3e45322f,
  title = {Geophysical studies of breccia pipe locations on the Hualapai Indian Reservation, Arizona},
  author = {R. Michael Senterfit and P. Mohr and Radley M. Horton},
  year = {1985},
  doi = {10.3133/ofr85400},
  url = {https://pubs.usgs.gov/publication/ofr85400},
  note = {Source identifier: ofr85400}
}