@misc{indiciaed396c465f8b7,
  title = {Map and stratigraphic sections showing distribution of some channel sandstones in the Lakota Formation, northwestern Black Hills, Wyoming},
  author = {Charles H. Maxwell},
  year = {1974},
  doi = {10.3133/mf632},
  url = {https://pubs.usgs.gov/publication/mf632},
  note = {Source identifier: mf632}
}