@misc{indiciae4b30de0bb0b3,
  title = {The 1987 estimate of undiscovered uranium endowment in solution-collapse breccia pipes in the Grand Canyon region of northern Arizona and adjacent Utah},
  author = {Warren Irvin Finch and H. B. Sutphin and C. T. Pierson and R.B. McCammon and K. J. Wenrich},
  year = {1990},
  doi = {10.3133/cir1051},
  url = {https://pubs.usgs.gov/publication/cir1051},
  note = {Source identifier: cir1051}
}