File:How C&O Canal Locks Worked by Richard M. Hogan from The Brunswick Citizen, January 3, 1980.pdf

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:08, 23 March 2019		1,543 × 1,062, 2 pages (3.33 MB)	HistoryCommission2 (talk \| contribs)	Category:Canal

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