770 M St. SE, Washington, District Of Columbia. County/parish: District of Columbia.
Added to the National Register of Historic Places November 14, 2006. NRIS 06000516.
1 contributing building.Also known as:
The Washington and Georgetown Railroad Car House, also known as the Navy Yard Car Barn, or Blue Castle, is an historic building, located at 770 M Street, Southeast, Washington, D.C.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/117691759