@misc{indiciae38c763e2e41c,
  title = {Lithologic and geophysical logs of 30 coal test holes drilled in the Hanna Basin coal field, Carbon County, Wyoming},
  author = {Marvin L. Schroeder and Michael Dronyk},
  year = {1978},
  doi = {10.3133/ofr78657},
  url = {https://pubs.usgs.gov/publication/ofr78657},
  note = {Source identifier: ofr78657}
}