Fort Ethan Allen Sketching / Fort Marcy / George Mason University / Georgetown Turnpike / Library of Congress / Memorial Parkway / Fort Ethan Allen / Chain Bridge / Potomac Heritage Trail / /
IndustryTerm
transportation systems / /
Movie
The Civil War / /
NaturalFeature
Potomac River / Theodore Roosevelt Island / /
Organization
National Park Service U.S. Department / Congress / House of Representatives / Balloon Corps / U.S. government / George Mason University / U.S. Department of the Interior / /
Person
Washington Visit Fort Marcy / Frank Leslie / Owen II / Ann S. Frobel / Gilbert Vanderwerken / Thaddeus Lowe / / /