Date: | 1873 |
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Description: | Engraved image of a lock and dam at Sault St. Marie. Two men are operating the sluice as ships are waiting on the opposite side of the lock. Another man is... |
Date: | 05 21 1939 |
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Description: | Elevated view of the General Zebulon Pike Lock and Dam No. 11, located on the Mississippi River between Dubuque, Iowa, and Grant County, Wisconsin. The Loc... |
Date: | 1963 |
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Description: | Elevated view from East College Avenue bridge of motor boats exiting Lock #4 on the Upper Fox River. |
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