@misc{indiciaef2e1be3876cc,
  title = {Geochemical survey of the Blood Mountain Roadless Area, Union and Lumpkin counties, Georgia},
  author = {Robert P. Koeppen and Arthur E. Nelson},
  year = {1989},
  doi = {10.3133/mf1503b},
  url = {https://pubs.usgs.gov/publication/mf1503B},
  note = {Source identifier: mf1503B}
}