Reports on the construction of the piers of the aqueduct of the Alexandria canal across the Potomac River at Georgetown, District of Columbia; [electronic resource] by William Turnbull ... 1835-1840.
At head of title: Engineer department, United States army.
"The reports of the ... construction of the piers of the aqueduct of the Alexandria canal ... made from time to time to the chief of the Corps of topographical engineers ... were printed by Congress in 1838 and 1841, with accompanying drawings ... Such portions ... [are now reprinted] as are of special interest for the use of the Corps of engineers."--p. [3]
Reproduction
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 2000. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation as part of Making of America IV: the American voice, 1850-1877.