Historical collections
Source-linked reports with geographic coverage including southwest, new.
Map of central California and Colorado showing relief by hachures, drainage, township and county boundaries, and railroads, with emphasis on the main line.
Main map shows western states and includes relief by hachures, drainage, cities and towns, township and ranges, counties, railroads, and proposed railroads. General map, at top of sheet, covers the United States and shows the railroad network. First section, the Central Pacific linked California with Ogden, Utah, in 1869. The merging of the Central with the Southern Pacific was the inspiration of Leland Stanford, Collis P. Huntington, Mark Hopkins, and Charles Crocker.