@misc{indiciaeb021890f4fcf,
  title = {Active-, inactive-, and abandoned-mine information and selected geochemical data for the State of Washington},
  author = {J. L. Ryder},
  year = {1996},
  doi = {10.3133/ofr96710},
  url = {https://pubs.usgs.gov/publication/ofr96710},
  note = {Source identifier: ofr96710}
}