@misc{indiciae539d8baf838a,
  title = {Geology and thorium deposits of the Wet Mountains, Colorado; a progress report},
  author = {Robert Adam Christman and M. R. Brock and R. C. Pearson and Q. D. Singewald},
  year = {1959},
  doi = {10.3133/b1072h},
  url = {https://pubs.usgs.gov/publication/b1072H},
  note = {Source identifier: b1072H}
}