Historical Marker

The Duvall Foundry

Historical marker location:
1050 30th St NW, Georgetown, District of Columbia
( Marker is on 30th Street Northwest, 0.1 miles south of M Street Northwest, on the right when traveling south.)

1050-30th Street, N.W

Washington D.C. is a city of spooks, almost all of whom are powerful and wealthy.
Carl Bernstein in The Real-Life Washington, October 1977