@misc{indiciae3ec85518e008,
  title = {Geology of part of the Boundary and Spirit quadrangles, Stevens County, Washington},
  author = {Robert Giertz Yates},
  year = {1961},
  doi = {10.3133/ofr61175},
  url = {https://pubs.usgs.gov/publication/ofr61175},
  note = {Source identifier: ofr61175}
}