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Abutment at the Onalaska dam site, near La Crescent, Minnesota
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Aftermath of the collapse of Eastman's Tunnel at St. Anthony Falls, Minneapolis, Minnesota
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Area near McMullen and Company lumber mill, Minneapolis, Minnesota
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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 on the east bank, 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, tailrace after turning the river, Rapidan Township, Minnesota
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Blue Earth Dam construction, third left buttresses, Rapidan Township, Minnesota
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Blue Earth Dam construction, west side looking downstream, 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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Central dam, Fergus Falls, Minnesota
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Chester Park Dam and Building, Duluth, Minnesota
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Chester Park Dam, Duluth, Minnesota
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Close-up of falls side of Rapidan Dam, Rapidan Township, Minnesota
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Cofferdam construction at the Onalaska dam site, near La Crescent, Minnesota
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Cofferdam construction at the Onalaska dam site, near La Crescent, Minnesota
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Cofferdam construction at the Onalaska dam site, near La Crescent, Minnesota
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Cofferdam construction at the Onalaska dam site, near La Crescent, Minnesota
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Blue Earth
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Rapidan Dam
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City of La Crescent
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Dams
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489
Mississippi River
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Rivers
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Hennepin History Museum
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U.S. Army Corps of Engineers
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Blue Earth County Historical Society
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