Map[Maps of the Washington Aqueduct, Md. and Washington D.C.] : to accompany supplemental report of Chief Engineer dated Feb. 22nd 1864. Relief shown by hachures on some maps. Title devised by cataloger. Orientation differs. Accompanied by Senate document: Supplemental report of the chief engineer of the Washington Aqueduct. 50 p. : ill. ; 23 cm. Some maps include cross-sections. Available also through the Library of Congress Web site as a raster image. LC copies fold-lined and mounted on cloth backing. DCP
- Contributor: United States. Congress. Senate
- Date: 1864
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MapTopographical map of the District of Columbia Partial cadastral map showing some householders' names, individual buildings, and vegetation. Relief shown by contours and hachures. Depths shown by contours and soundings. Also covers Virginia shoreline zone. "Entered according to Act of Congress in the year 1861, by D. McClelland, Blanchard & Mohun, Hugh B. Sweeny, and Thos. Blagden, in the Clerks Office of the District Court of the District of Columbia." Oriented...
- Contributor: McClelland, D. - D. McClelland, Blanchard & Mohun - Boschke, A. - Blagden, Thos. (Thomas) - Sweeny, Hugh
- Date: 1861