TY - RPRT TI - 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 AU - Kenneth S. Soward PY - 1960 DO - 10.3133/ofr60128 UR - https://pubs.usgs.gov/publication/ofr60128 ID - ofr60128 ER -