Dave Duax was on the Eau Claire County Board of Supervisors from 1974-1983. The collection consists of his files from his time on the board documenting county government activities, including survey results, correspondence, committee reports and activities, employment, budget planning, department management and law enforcement.

Five abstracts of assessment rolls containing property assessments, acreage planted, crop growth, farm products (production of milk and cheese at creameries, condensing factories), number and value of farm stock animals. Information is organized by town, city, and villages of Eau Claire County, Wisconsin. Dates covered: 1906-1908, 1913-1914.

Annual statistical reports on crime in Eau Claire as compiled by the Eau Claire Police Department. They include a detailed breakdown of citations, accidents, arrests, and city ordinance violations. The reports also document major changes in departmental structure, personnel, and operating procedure.