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Blue Earth Dam construction, east side downstream view, Rapidan Township, Minnesota
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Blue Earth Dam construction, looking downstream, Rapidan Township, Minnesota
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Blue Earth Dam construction, Rapidan Township, Minnesota
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Blue Earth Dam construction, Rapidan Township, Minnesota
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Blue Earth Dam construction, west side, Rapidan Township, Minnesota
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Blueprint of extension of tailrace walls, Minneapolis, Minnesota
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Bulk Head for Tunnel at St. Anthony
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Canal platform and trestle, Minneapolis, Minnesota
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Canal platform and trestle, Minneapolis, Minnesota
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Canal platform, Minneapolis, Minnesota
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Close-up of falls side of Rapidan Dam, Rapidan Township, Minnesota
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Cold Spring Granite Company main plant and Sauk River dam, Stearns County, Minnesota
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Construction along the Mississippi River, Minneapolis, Minnesota
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Construction at the lower dam, Minneapolis, Minnesota
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Construction at the lower dam, Minneapolis, Minnesota
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Construction at the Mississippi River's edge, Minneapolis, Minnesota
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Construction near the lower dam power station, Minneapolis, Minnesota
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Construction near the lower dam power station, Minneapolis, Minnesota
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Construction near the lower dam power station, Minneapolis, Minnesota
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Construction near the lower dam power station, Minneapolis, Minnesota
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Construction of apron at St. Anthony Falls, Minneapolis, Minnesota
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Construction of lower power plant, Minneapolis, Minnesota
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Construction of St. Anthony Falls apron, Minneapolis, Minnesota
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Construction of the apron along the Mississippi River, Minneapolis, Minnesota
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Construction of the apron along the Mississippi River, Minneapolis, Minnesota
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Blue Earth
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Rapidan Dam
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Wabasha
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Zumbro River Dam
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Dams
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231
Rivers
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Hennepin History Museum
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Blue Earth County Historical Society
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