@misc{indiciae7e4d176de017,
  title = {Geology of the Bakersville-Plumtree area, Spruce Pine district, North Carolina},
  author = {J. L. Kulp and D.A. Brobst},
  year = {1956},
  doi = {10.3133/mf97},
  url = {https://pubs.usgs.gov/publication/mf97},
  note = {Source identifier: mf97}
}