National Register of Historic Places
The Keystone
Listed federally as Keystone, The
Washington, District of Columbia County, District of Columbia
The record
- Listed
- June 18, 2010
- Type
- Building
- Address
- 2150 Pennsylvania Ave, NW, Washington
- County
- District of Columbia
- State
- District of Columbia
- Contributing resources
- 1 building
- Coordinates
- 38.90571, -77.00845
- Reference number
- 10000370
Slide toward Today to fade the historical sheet and see the modern map underneath.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries