00881cam a2200205 4500 ca 07004391 DLC 20260227111045.0 961021s1838 dcudf 000 0 eng ca 07004391 DLC DLC DLC TC764 .T94 Turnbull, Wm. (William), 1800-1857. Drawings accompanying the report of Captain Turnbull, on the survey and construction of the Alexandria aqueduct, made to the House of Representatives, 2d of July, 1838, document no. 459, vol. XI. Potomac aqueduct [Washington? s.n., 1838?] 33 pl. (5 fold.), 1 fold. chart 47 x 60 cm. Surveys, plans, and charts showing the river, cofferdam, construction equipment, and progress on construction of the aqueduct in 1837 and 1838. Canal aqueducts Washington (D.C.) 13618 13618