15 1/2 x 35 3/4 in. albumen photograph (sight), framed, 18 3/4 x 38 1/2 in. overall. Titled and credited in the negative, "Harpers Ferry from Bolivar Heights / W.H. Jackson." Produced as part of a series of photographs taken by William Henry Jackson for the Baltimore & Ohio Railroad, ca 1890-1892.

From his vantage point atop Bolivar Heights, Jackson captured the storied site of the United States Armory, which changed hands several times during the Civil War.

An exceptionally rare double mammoth plate image made by one of the legends of American photography.