@misc{indiciae0080b9e16506,
  title = {Analyses and descriptions of geochemical samples, Rich Hole Roadless Area, Alleghany and Rockbridge Counties, Virginia},
  author = {E. A. Bailey and S. M. Heinrich and K. A. Romine and Marianne Walter},
  year = {1986},
  doi = {10.3133/ofr8632},
  url = {https://pubs.usgs.gov/publication/ofr8632},
  note = {Source identifier: ofr8632}
}