@misc{indiciae71dced43b44d,
  title = {Potential breccia pipes in the Mohawk Canyon area, Hualapai Indian Reservation, Arizona},
  author = {K. J. Wenrich and G. H. Billingsley and B. S. Van Gosen},
  year = {1990},
  doi = {10.3133/ofr9015},
  url = {https://pubs.usgs.gov/publication/ofr9015},
  note = {Source identifier: ofr9015}
}