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Photographer: Allen C. Browne
Taken: May 15, 2013
Caption:
How a Lift Lock Works -- 2 | Additional Description: The lock tender opens the downstream paddles. Water flows out and the boat is lowered.
close-up of picture on markerSubmitted: May 15, 2013, by Allen C. Browne of Silver Spring, Maryland.
Database Locator Identification Number: p242162
File Size: 1.803 Megabytes
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