@misc{indiciaed4fb56058581,
  title = {Geology of the Upper Cretaceous and Tertiary coal-bearing rocks in the western part of the Wind River basin, Wyoming},
  author = {N. L. Hickling and Ralph C. Warlow and John F. Windolph},
  year = {1989},
  doi = {10.3133/b1813},
  url = {https://pubs.usgs.gov/publication/b1813},
  note = {Source identifier: b1813}
}