Map without title showing the railroad route to Santa Fe and San Diego; the central route through South Pass and on to San Francisco and "Puget's Sound," and connecting railroads east of the Mississippi.

Map without title showing the railroad route to Santa Fe and San Diego; the central route through South Pass and on to San Francisco and "Puget's Sound," and connecting railroads east of the Mississippi. Whitney, Asa, 1797-1872. Miller & Co. cartographic Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387 N[ew] Y[ork] Miller's Lith. [1849] eng Outline map of North America showing proposed railroad routes within the present limits of the United States. This is one of the earliest promotional maps for a transcontinental railroad to come before the United States Congress and claimed by the author to have been "conceived as early as 1830." Title from C. I. Wheat's Mapping the transmississippi west. Relief shown by hachures. At top of map: No. 2. From the author's A project for a railroad to the Pacific. Includes distance chart showing distances via Northern Route, Southern Route, Galveston Route, and St. Louis Route. Scale ca. 1:15,500,000. LC Railroad maps, Railroads--United States--Maps. United States. Available also through the Library of Congress Web site as a raster image. http://hdl.loc.gov/loc.gmd/g3701p.rr000140