@misc{indiciaefc623c4494fd,
  title = {Deer Park mica-feldspar mines, Mitchell County, North Carolina},
  author = {J.J. Page and J. C. Olson and J.J. Norton},
  year = {1943},
  doi = {10.3133/ofr4373},
  url = {https://pubs.usgs.gov/publication/ofr4373},
  note = {Source identifier: ofr4373}
}