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C and O Canal Headquarters
National Historical Park
The canal headquarters is located in a renovated buiding in Williamsport, Md, adjacent to the canal visitor center and several other canal facilities. The headquarters moved from an office building in Hagerstown, Md., to be closer to the canal and its activities.
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Contact Information
National Park Service
142 W. Potomac St.
Williamsport MD 21795
301-739-4200
Website