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Chesapeake & Ohio Canal National Historical ParkPhoto of Maine Hospital Tent on canal during park special event.
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Chesapeake & Ohio Canal National Historical Park
Mollusks
 

Along the C&O Canal shoreline of the river there are only freshwater mollusks because the Potomac is a freshwater source.
Photo of park rangers interpreting building the canal.  

Did You Know?
Canal historians estimate approximately 35,000 laborers helped dig the canal as well as build aqueducts, culverts, locks, lock houses, etc. It took 22 years to build the canal from Georgetown, DC to Cumberland, MD. Much of the workforce were immigrants from Ireland and western Europe.

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Last Updated: July 30, 2006 at 20:52 EST