@misc{indiciae756c8b3f8137,
  title = {Mineral resource potential and geologic map of the Black Fork Mountain Roadless Area, Polk County, Arkansas, and Le Flore County, Oklahoma},
  author = {M. H. Miller and M. C. Smith},
  year = {1983},
  doi = {10.3133/mf1599},
  url = {https://pubs.usgs.gov/publication/mf1599},
  note = {Source identifier: mf1599}
}