Northwest No. 5 Boundary Marker of the Original District of Columbia

Dalecarlia Reservoir, 600 ft. W of Dalecarlia Parkway and 300 ft SE of concrete culvert, Washington, DC
Northwest #5 boundary stone was the second marker to be located in Maryland. It was laid in 1792. It is situated in a heavily wooded portion of the Dalecarlia Reservation which is operated by the Army Corps of Engineers, permission to view the marker must be obtained from the reservoir guards. Its fence was dedicated on October 1, 1916, by the John Hall Chapter of the Daughters of the American Revolution, the stone is now under the stewardship of the Dolley Madison Chapter.
Local significance of the object:
Community Planning And Development; Politics/government

Listed in National Register of Historic Places in 1996.

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.

The District was originally called "Federal City": The name "Washington, D.C." was not officially adopted until the late 19th century. Before that, the city was referred to as "Federal City" or simply "Washington."