@misc{indiciaeee0aebd045ce,
  title = {Field trip guidebook for surface-water contamination and its remediation near Idaho Springs, Colorado},
  author = {R. C. Severson},
  year = {1991},
  doi = {10.3133/ofr91426},
  url = {https://pubs.usgs.gov/publication/ofr91426},
  note = {Source identifier: ofr91426}
}