@misc{indiciae68d2af335d7e,
  title = {Preliminary geologic map of the Sheridan area, northwestern Powder River basin, Wyoming},
  author = {S.P. Kanizay},
  year = {1978},
  doi = {10.3133/mf1043},
  url = {https://pubs.usgs.gov/publication/mf1043},
  note = {Source identifier: mf1043}
}