Northumberland County / Westmoreland County
Northumberland County. Area 205 square miles. Originally an Indian district called Chicacoan. In 1648 it became Northumberland County, named for an English county. The mouth of the Potomac River is here.
Westmoreland County. Area 252 square miles. Formed in 1653 from Northumberland and King George, and named for an English county. In it were born George Washington, James Monroe, and Robert E. Lee.
Marker is on Cople Highway (Virginia Route 202) just west of the Hampton Hall Bridge over Hampton Hall Branch, on the right when traveling east.
Courtesy hmdb.org