@misc{indiciaec2c6aaae584d,
  title = {Preliminary investigation of radioactivity in the Black Hawk district, Grant County, New Mexico},
  author = {Harry Clifford Granger},
  year = {1950},
  doi = {10.3133/tem118},
  url = {https://pubs.usgs.gov/publication/tem118},
  note = {Source identifier: tem118}
}