@misc{indiciaea26d5408d18e,
  title = {Geochemical survey of the western energy regions (formerly Geochemical survey of the western coal regions), third annual progress report, July 1976},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/ofr76729},
  url = {https://pubs.usgs.gov/publication/ofr76729},
  note = {Source identifier: ofr76729}
}