 

Lockkeeper's House NPS Photo
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The Lockkeeper's House is the only remnant of the C & O Canal Extension. The
building was constructed as the house for the Lockkeeper of the Canal, who collected the tolls and kept
records of commerce on the canal. The C & O Extension was built between 1832 and 1833 to
connect the Washington City Canal with the C & O Canal. The Washington City Canal was first
proposed by Pierre L'Enfant in his 1791 plan for the Capital and was opened in 1815. It served as the
major thoroughfare until railroads became the dominant form of transportation in the 19th
century. Furthermore, the local, Washington City Canal, was beset by problems of poor
maintenance.
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View of road and C & O Canal, c. 1890 Historical Society of Washington, DC
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After the Civil War there were numerous proposals to revitalize the Washington
City Canal, but in the 1870s the long process of filling the canal began. During the development
of Potomac Park in the early 1900's, the Lockkeeper's House was given to the United States
and functioned for a while as the Park Police headquarters. By 1940 Federal Office buildings
began to appear along Constitution Avenue near the Lockkeeper's House. That year, the first
floor of the building was converted to use as a public comfort station. Presently the
building is used for park maintenance storage.
The Lockkeeper's House is located on the corner of 17th St. and Constitution Ave., NW. It is not
open to the public. Metro stop: Farragut West
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