@misc{indiciae8d46db3a358e,
  title = {Geochemical survey of the Troublesome Roadless Area, McCreary County, Kentucky},
  author = {A. E. Grosz and D. F. Siems},
  year = {1987},
  doi = {10.3133/mf1341b},
  url = {https://pubs.usgs.gov/publication/mf1341B},
  note = {Source identifier: mf1341B}
}