@misc{indiciae22fa1b54c635,
  title = {Cross sections showing the reconstructed stratigraphic framework of Paleocene rocks and coal beds in the northern and central Powder River basin, Montana and Wyoming},
  author = {M.W. McLellan and L.R. Biewick and C. L. Molnia and F. W. Pierce},
  year = {1990},
  doi = {10.3133/i1959a},
  url = {https://pubs.usgs.gov/publication/i1959A},
  note = {Source identifier: i1959A}
}