@misc{indiciaedad51b8fc787,
  title = {Geology and ore deposits of the Eureka and adjoining districts, San Juan Mountains, Colorado},
  author = {Wilbur S. Burbank and Robert G. Luedke},
  year = {1969},
  doi = {10.3133/pp535},
  url = {https://pubs.usgs.gov/publication/pp535},
  note = {Source identifier: pp535}
}