@misc{indiciae2b93f4a5d32b,
  title = {Radioactive conglomerate in Proterozoic (Precambrian X) metasedimentary rocks of the Sierra Madre, Wyoming},
  author = {P. J. Graff and Robert Stroud Houston},
  year = {1977},
  doi = {10.3133/ofr77830},
  url = {https://pubs.usgs.gov/publication/ofr77830},
  note = {Source identifier: ofr77830}
}