@misc{indiciae0a22387361bb,
  title = {Preliminary map showing surficial deposits in the Big Fork Quadrangle, Lake and Flathead counties, Montana},
  author = {Irving Jerome Witkind},
  year = {1978},
  doi = {10.3133/ofr78174},
  url = {https://pubs.usgs.gov/publication/ofr78174},
  note = {Source identifier: ofr78174}
}