@misc{indiciae07a41591cf5f,
  title = {Lithic descriptions and geophysical logs of 83 U.S. Geological Survey coal exploratory holes in the eastern part of the Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan Counties, Montana},
  author = {H. H. Arndt and J.K. Hardie},
  year = {1985},
  doi = {10.3133/ofr85707},
  url = {https://pubs.usgs.gov/publication/ofr85707},
  note = {Source identifier: ofr85707}
}