@misc{indiciaecfbb693c4af8,
  title = {The occurrence and origin of analcite and meerschaum beds in the Green River formation of Utah, Colorado, and Wyoming},
  author = {W. H. Bradley},
  year = {1930},
  doi = {10.3133/pp158a},
  url = {https://pubs.usgs.gov/publication/pp158A},
  note = {Source identifier: pp158A}
}