Relay / Washington / Washington / D. C. / Baltimore / /
Company
AMP / /
Country
United States / /
Currency
USD / /
Facility
Roman-arch bridge / Stone Arch Viaduct / University of Maryland / Railroad bridge Current Use / Thomas Viaduct / Railroad bridge Present Owner / /
Holiday
Assumption / /
IndustryTerm
post-road hotel / /
NaturalFeature
Patapsco River / /
Organization
University of Maryland / National Park Service Department of the Interior Washington / Way Department / Freemasonry / /
Person
Benjamin H. Latrobe / II / John McCartney / Benjamin Henry Latrobe / II / Philip E. Thomas / Jean P. Yearby / Margaret Talbot Stevens / Caspar Wever / /
Position
Builder/Designer / author / first president / architect / assistant engineer / later chief engineer / Chief Engineer / chief / engineer / chief of construction / /
Baltimore and Ohio Railroad: Crossing the Patapsco River Elkridge, Howard County