@misc{indiciaecd869cd8031e,
  title = {Regional sampling of waters and sediments variably impacted by mine drainage in the Denver West 1:100,000 Quadrangle, October, 1994; preliminary data},
  year = {1995},
  doi = {10.3133/ofr95804b},
  url = {https://pubs.usgs.gov/publication/ofr95804B},
  note = {Source identifier: ofr95804B}
}