Seneca Quarry

Seneca Quarry is a historic site located at Seneca, Montgomery County, Maryland. It is located along the Chesapeake and Ohio Canal on the north bank of the Potomac River, just west of Seneca Creek. The quarry was the source of stone for two Potomac River canals: the Patowmack Canal on the Virginia side of Great Falls; and the C&O Canal, having supplied red sandstone for the latter for locks 9, 11, 15 - 27, and 30, the accompanying lock houses, and Aqueduct No. 1, better known as Seneca Aqueduct, constructed from 1828 to 1833.

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1785 

Wikidata
Potomac Red Sandstone Company; Potomac Red Sandstone Quarry; Seneca Mill And Quarry ruins; Seneca Red Stone Quarries; Seneca Stone Company
quarry, United States, 

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• Maryland's National Register Properties page^@
• Medusa page^@
• National Register of Historic Places listed place page^@
• National Register of Historic Places page^@
• Smithsonian Magazine page^@
​ ​ ​ ​ ​ ​ ​ ​

Location: 39.0775, -77.3539, KML, Cluster Map, Maps,
2 places

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• 

  Seneca Quarry ⓘ
  historical Seneca red sandstone quarry in Montgomery County, Maryland, United States

• 

  Dalecarlia Tunnel ⓘ
  former railroad tunnel that carries the Capital Crescent Trail in Brookmont, Maryland

1785-01-01T00:00:00Z

1785-01-01T00:00:00Z

1785 Seneca Quarry

1910-01-01T00:00:00Z

1910-01-01T00:00:00Z

1910 Dalecarlia Tunnel

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Frameless

Seneca Stone Cutting Mill

Type	Subtype	Date	Description	Notes	Source
link	page		Maryland's National Register Properties page@		Wikidata
link	page		Medusa page@		Wikidata
link	page		National Register of Historic Places listed place page@		Wikidata
link	page		National Register of Historic Places page@		Wikidata
link	page		Smithsonian Magazine page@		Wikidata
site	mine	1785	Seneca Quarry	quarry	Wikidata
site	tunnel	1910	Dalecarlia Tunnel	railway tunnel	Wikidata
commons	image		Seneca Stone Cutting Mill		Commons