Start > Expansion und Demokratisierung > Gadsden Purchase, 1853 > Karte
Geplante Routen für eine Eisenbahnlinie zum Pazifik, 1855
Warren, Gouverneur Kemble, cartographer. "Map of Routes for a Pacific Railroad, Compiled to Accompany the Report of the Hon. Jefferson Davis, Sec. of War." 1855. Map Collections: 1544-1999, American Memory collections, Library of Congress.
Quelle: Library of Congress: America's Library http://www.americaslibrary.gov/jb/reform/jb_reform_gadsden_3_e.html