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Map of the northwestern states. Shewing [sic] what proportion lies nor...
Outline map of the north-central United States showing the canals and the railroad network and naming the Michigan Central and the Michigan Southern Railway. John B. Jervis was chief engineer on the Mohawk & Hu... More
Skeleton map, showing the position and connections of the Michigan Sou...
Outline map of the northeastern United States showing railroads in operation, under construction, and under proposal. Chartered in 1846 and consolidated April 1855 with the Northern Indiana Railroad under the n... More
[Croton Aqueduct, (Westchester Co., New York). Pipe chamber, Manhattan...
Public domain scan of drawing related to architecture design, elements of decor, free to use, no copyright restrictions image - Picryl description
[Croton Aqueduct, (Westchester Co., New York). Pipe chamber, Manhattan...
Public domain photograph of building plan, architecture design drawing, free to use, no copyright restrictions image - Picryl description