@misc{indiciaecd1663721210,
  title = {The Scobey lignite field, Valley, Daniels, and Sheridan counties, Montana},
  author = {A. J. Collier},
  year = {1925},
  doi = {10.3133/b751e},
  url = {https://pubs.usgs.gov/publication/b751E},
  note = {Source identifier: b751E}
}