Historical Marker

Petrified Wood

Historical marker location:
The National Mall, District of Columbia
( Marker is on Madison Drive Northwest west of 9th Street Northwest, on the right when traveling west.)

Araucarioxylon Arizonicum Knowlton. Triassic Period

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