@misc{indiciae9fa2dd4e7659,
  title = {Comparison of the chemical composition of mineralized and unmineralized sandstone and conglomerate samples from the uranium-bearing Chinle Formation of the Colorado Plateau},
  author = {C. T. Pierson and C.S. Spirakis},
  year = {1986},
  doi = {10.3133/ofr86281},
  url = {https://pubs.usgs.gov/publication/ofr86281},
  note = {Source identifier: ofr86281}
}