@misc{indiciae351805bd4cc3,
  title = {Index to the United States minerals exploration assistance records from the DMA, DMEA, OME Mineral Exploration Programs, 1950-1974},
  author = {David G. Frank and John P. Galloway and Judy Weathers and Thor H. Kiilsgaard and John C. Wallis},
  year = {2003},
  doi = {10.3133/ofr0394},
  url = {https://pubs.usgs.gov/publication/ofr0394},
  note = {Source identifier: ofr0394}
}