@misc{indiciae79ac216e0e77,
  title = {Structural evolution of a Grand Canyon breccia pipe; the Ridenour copper-vanadium-uranium mine, Hualapai Indian Reservation, Coconino County, Arizona},
  author = {Earl R. Verbeek and Marilyn A. Grout and B. S. Van Gosen},
  year = {1988},
  doi = {10.3133/ofr886},
  url = {https://pubs.usgs.gov/publication/ofr886},
  note = {Source identifier: ofr886}
}