@misc{indiciae9592cfe730df,
  title = {Distribution of copper and other metals in gully sediments of part of Okanogan County, Washington},
  author = {Kenneth F. Fox and C. Dean Rinehart},
  year = {1972},
  doi = {10.3133/ofr70129},
  url = {https://pubs.usgs.gov/publication/ofr70129},
  note = {Source identifier: ofr70129}
}