@misc{indiciae644a87363baf,
  title = {Geology of the Bald Knob quadrangle, Ferry and Okanogan Counties, Washington},
  author = {Mortimer Hay Staatz},
  year = {1964},
  doi = {10.3133/b1161f},
  url = {https://pubs.usgs.gov/publication/b1161F},
  note = {Source identifier: b1161F}
}