@misc{indiciae46b02d126973,
  title = {Geology of damsites on the upper tributaries of the Columbia River in Idaho and Montana - Knowles and Perma damsites, lower Flathead River, Sanders County, Montana},
  author = {Kenneth S. Soward},
  year = {1960},
  doi = {10.3133/ofr60128},
  url = {https://pubs.usgs.gov/publication/ofr60128},
  note = {Source identifier: ofr60128}
}