A report on Chesapeake and Ohio Canal and Riley's Lock
Riley's Lock (Lock 24) and lock house are part of the 184.5-mile (296.9 km) Chesapeake and Ohio Canal (a.k.a. C&O Canal) that operated in the United States along the Potomac River from the 1830s through 1923.- Riley's Lock
This unique structure is the only aqueduct made from Seneca red sandstone and is doubly unique for being the only aqueduct on the C&O that is also a lock (Lock 24, Riley's Lock).- Chesapeake and Ohio Canal
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Seneca Aqueduct0 links
Seneca Aqueduct — or Aqueduct No. 1 — is a naviduct that carries the Chesapeake and Ohio Canal (C&O) over Seneca Creek in Montgomery County, Maryland.
Seneca Aqueduct is a unique structure, not only being the first built, but also the only red sandstone aqueduct on the C&O−and the only aqueduct that is also a lock (Lock 24, or Riley's Lock).