@misc{indiciae3b08e7691749,
  title = {Geologic map of the Big Horn Basin, Wyoming and Montana, showing terrace deposits and physiographic features},
  author = {D. A. Andrews and William Gamewell Pierce and Dolan H. Eargle},
  year = {1947},
  doi = {10.3133/om71},
  url = {https://pubs.usgs.gov/publication/om71},
  note = {Source identifier: om71}
}