@misc{indiciaefab0a69f3495,
  title = {A possible concealed pluton in Beaverhead and Madison Counties, Montana, and Clark County, Idaho},
  author = {Irving Jerome Witkind},
  year = {1974},
  doi = {10.3133/ofr74312},
  url = {https://pubs.usgs.gov/publication/ofr74312},
  note = {Source identifier: ofr74312}
}