@misc{indiciaeac3d9fe27d7f,
  title = {Results of drilling on the radium group and associated claims near Egnar, San Miguel County, Colorado : preliminary report no. 3},
  author = {Robert D. Trace},
  year = {1949},
  doi = {10.3133/tem80},
  url = {https://pubs.usgs.gov/publication/tem80},
  note = {Source identifier: tem80}
}