Swanson Reservoir, Frenchman Cambridge Division, P-SMBP, was formed by the construction in 1953 of Trenton Dam on the Republican River 2.5 miles west of Trenton, Nebraska. Reservoir open 24 hours. Good access roads. Fishing season is year-round. Available species include walleye, crappie, white bass, black bass, northern pike, channel catfish, and wipers. Irrigation supply reservoir experiencing minor fluctuations. The reservoir peaks has 4,974 water surface acres, 5,253 land acres and 30 miles of shoreline. Numerous tracts at each reservoir and impoundment provide food and cover for pheasant, quail, small fur-bearing animals, and mule and white-tail deer. There are 3,000 acres of public hunting land. Current reservoir levels