@misc{indiciaeddbc8e716790,
  title = {Preliminary results of geochemical soil survey, Hamme tungsten district, North Carolina},
  author = {Jacob Eugene Gair and John F. Windolph and Nancy A. Wright},
  year = {1975},
  doi = {10.3133/cir711},
  url = {https://pubs.usgs.gov/publication/cir711},
  note = {Source identifier: cir711}
}