1. Map of the United States and their territories : showing the route of the proposed Pacific railroad and branches, in connexion with the existing and unfinished railroads from the Atlantic cities. Maps University Of Minnesota Public content 1852. United States. General Land Office. Shows railroads in red.; Table of distances attached to left margin of map. 18 x 28 in Scale [ca. 1:9,000,000] General Map Collection. (Washington], ).