@misc{indiciae334d0df41ac0,
  title = {U.S. Geological Survey Central Laboratory in Salt Lake City, Utah},
  author = {R.L. McAvory},
  year = {1971},
  doi = {10.3133/ofr71188},
  url = {https://pubs.usgs.gov/publication/ofr71188},
  note = {Source identifier: ofr71188}
}