@misc{indiciaeda4fe25e3e2f,
  title = {Structure and structure contour maps of the Choteau 1°x2° quadrangle Lewis and Clark, Teton, Powell, Missoula, Lake, Flathead, and Cascade counties, Montana},
  author = {Melville Rhodes Mudge and Robert L. Earhart},
  year = {1979},
  doi = {10.3133/ofr79863},
  url = {https://pubs.usgs.gov/publication/ofr79863},
  note = {Source identifier: ofr79863}
}