@misc{indiciaeed8563a6a69b,
  title = {Mining properties in Montana that were involved in the DMA, DMEA, OME Mineral Exploration Programs, 1950-1974},
  author = {Thor H. Kiilsgaard},
  year = {1996},
  doi = {10.3133/ofr96501},
  url = {https://pubs.usgs.gov/publication/ofr96501},
  note = {Source identifier: ofr96501}
}