Washington Aqueduct

Historical marker location:

11710 MacArthur Blvd., Potomac, Maryland

( Marker can be reached from MacArthur Blvd/Great Falls Road Climb east of the C&O Canal Towpath when traveling south.)

Marker installed: 1974

The Chesapeake Bay is a crucial part of Maryland's history and economy: The Chesapeake Bay is the largest estuary in the United States, and it has played a crucial role in Maryland's history and economy. The bay has been a major source of food, transportation, and recreation for Marylanders for centuries, and it continues to be an important part of the state's culture.