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The C&O Canal Towpath Trail and Great Allegheny Passage

Lock #10

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Lock 10
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C&O Canal Trail

Forum Discussions about Lock #10

Lock #10 in Bethesda
Steve Taylor from Bethesda on 4/27/2011 10:51:19 PM:
what is the big concrete structure going up beside the canal just south of the 495 beltway bridge?