@misc{indiciae4aa9e6b7c241,
  title = {Geochemical survey of the Little Frog Roadless Area, Polk County, Tennessee},
  author = {E. R. Force and D. F. Siems},
  year = {1986},
  doi = {10.3133/mf1338b},
  url = {https://pubs.usgs.gov/publication/mf1338B},
  note = {Source identifier: mf1338B}
}