@misc{indiciae3ed2c5d5a9f0,
  title = {Summary report on mineral resources of the Picket Range area, Washington},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/ofr69307},
  url = {https://pubs.usgs.gov/publication/ofr69307},
  note = {Source identifier: ofr69307}
}