Breaking a Log Jam ID: 432 | This file appears in: Soaked Timber in Idaho's Clearwater River Workers breaking a log jam on the Clearwater River | Source: Breaking a log jam. 1940. (approx.). Potlatch Lumber Company Photograph Collection, University of Idaho Library Special Collections and Archives Department, Clearwater River, ID, Nov. 7, 2017. https://digital.lib.uidaho.edu/cdm/singleitem/collection/plcphotos/id/377/rec/66 Download Original File SourceBreaking a log jam. 1940. (approx.). Potlatch Lumber Company Photograph Collection, University of Idaho Library Special Collections and Archives Department, Clearwater River, ID, Nov. 7, 2017. https://digital.lib.uidaho.edu/cdm/singleitem/collection/plcphotos/id/377/rec/66 "Breaking a Log Jam" appears in: Soaked Timber in Idaho's Clearwater River