@misc{indiciaee056fb32f58c,
  title = {Distribution of beryllium, tin, and tungsten in the Lake George area, Colorado},
  author = {C. C. Hawley and Wallace R. Griffitts},
  year = {1968},
  doi = {10.3133/cir597},
  url = {https://pubs.usgs.gov/publication/cir597},
  note = {Source identifier: cir597}
}