@misc{indiciae530457e5b215,
  title = {Effects of placer mining on hydrologic systems in Alaska; status of knowledge},
  author = {R. J. Madison},
  year = {1981},
  doi = {10.3133/ofr81217},
  url = {https://pubs.usgs.gov/publication/ofr81217},
  note = {Source identifier: ofr81217}
}