This collection contains Elvin Bjorklund Soil Conservation Service papers. It is comprised of records on Soil Conservation Service's works, events, and personnel. Likewise, it has photographs of personnel, conservation, and events. There are correspondence between Bjorklund and South Dakota representatives and senators on the Oahe Irrigation Project and the passing of State Director of Soil Conservation Service Ross. D. Davies. Additionally it includes Resource study (1967), Engineer Handbook (1946), South Dakota Conservation Needs Inventory (1970).