Title: Rock Creek and Potomac Parkway, George Washington Memorial Parkway, Suitland Parkway, Baltimore-Washington Parkway
Subjects: History, Parkways
Places: Baltimore-Washington Parkway (Md.), George Washington Memorial Parkway (Va. and Washington, D.C.), Rock Creek and Potomac Parkway (Washington, D.C.), Suitland Parkway (Md. and Washington, D.C.), Washington Metropolitan Area