@misc{indiciaec88878343032,
  title = {Lithologic and geophysical logs of 24 coal test holes drilled during 1977 in the Carbon Basin, Carbon County, Wyoming},
  author = {Robert D. Hettinger},
  year = {1978},
  doi = {10.3133/ofr78702},
  url = {https://pubs.usgs.gov/publication/ofr78702},
  note = {Source identifier: ofr78702}
}