Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Potomac_Canal_Historic_District> ?p ?o. }
- Potomac_Canal_Historic_District long "-77.25305555555556".
- Potomac_Canal_Historic_District wasDerivedFrom Potomac_Canal_Historic_District?oldid=594678206.
- Potomac_Canal_Historic_District depiction Potomac-Canal-Historic-District.JPG.
- Potomac_Canal_Historic_District isPrimaryTopicOf Potomac_Canal_Historic_District.
- Potomac_Canal_Historic_District name "Potomac Canal Historic District".