Lower end of Boom Island after improvements were made by the Wisconsin Central Railway Company; shows a man with a horse drawn cart near the edge of the Mississippi River.
Bridge construction over Lester river at Lester Park; Grand Avenue or the early name for Superior street at the Lester area; image was used in 1894 parks department annual report
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Construction at the lower dam water power station along the Mississippi River; shows headrace and retaining walls; the Westside Mills are visible in the distance.
The construction of the Lake Zumbro Hydroelectric Power Plant dam began in 1917. The structure was designed by noted hydroelectric engineer, Hugh Lincoln Cooper. The dam, completed in 1919, is owned by Rochester Public Utilities. Looking toward the east bank, the Power house, with almost three walls completed, is visible in the center.
The construction of the Lake Zumbro Hydroelectric Power Plant dam began in 1917. The structure was designed by noted hydroelectric engineer, Hugh Lincoln Cooper. The dam, completed in 1919, is owned by Rochester Public Utilities. Three men are standing on the rim, looking into the excavation area.
Construction at the lower dam area near the gatehouse, shows the retaining wall; the Minneapolis Western railroad bridge and Gasworks are in the background.