The group of Potlatch papers spans the years 1941 to 1982, with the bulk of the material covering the years 1960-1975. The papers include correspondence, reports, cost estimations and blueprints of the various modernization plans for the mill located in Potlatch, Idaho, as maintained by the Lewiston office of Potlatch Forests, Inc. Also included are a set of ten bound volumes of Pres-to-Log machine drawings and material specifications. In addition to this record group, the University of Idaho Special Collections and Archives has several other groups of Potlatch related material.