@misc{indiciae85dff2321ff0,
  title = {Resource investigations of selected industrial minerals in the U.S. Geological Survey},
  author = {Keith Brindley Ketner and J.B. Cathcart and R. J. Hite and J. D. Vine and C.A. Wolfbauer},
  year = {1977},
  doi = {10.3133/ofr77719},
  url = {https://pubs.usgs.gov/publication/ofr77719},
  note = {Source identifier: ofr77719}
}