@misc{indiciaeaa05475ef851,
  title = {United States Geological Survey uranium and thorium resource assessment and exploration research program : fiscal year 1981},
  author = {Terry W. Offield},
  year = {1980},
  doi = {10.3133/ofr801175},
  url = {https://pubs.usgs.gov/publication/ofr801175},
  note = {Source identifier: ofr801175}
}