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Lithograph
St. Mary's Falls Canal,
Movable Dam. Arrangement of Wickets and Counterweight.
Lithograph
St. Mary's Falls Canal,
The Movable Dam
Lithograph
St. Mary's Falls Canal,
The Valves and Valve Engines.
The Accumulator.
Lithograph
St. Mary's Falls Canal,
The Accumulator Pumps
Lithograph
St. Mary's Falls Canal,
Turbine Casing and Gearing
Lithograph
St. Mary's Falls Canal,
The South Leaf of the Upper Guard Gate.
The Gate Engines.
Lithograph
St. Mary's Falls Canal,
South Leaf of the Lower Lock Gate
Lithograph
St. Mary's Falls Canal,
General Plan of Operating Machinery
Lithograph
St. Mary's Falls Canal,
The New Lock (1870-1881)
Lithograph
St. Mary's Falls Canal,
The Old Locks (1853-1855)
Lithograph
St. Mary's Falls Canal
Film, Motion Picture
Great Lakes Adventure