Description: Broadside regarding the concession of the Inter-California Railroad; the headquarters will be moved to Mexicali, 1906. File: the case of two Mexicans who were abandoned in the desert by Mr. Raisenger, the train driver of the Inter-California Railroad, because they didn't have their tickets, 1908. Map of the inter-California railroad, 1926. File: request from the Southern Pacific company for tracing a railroad line in the borderland with the US, 1903. File: Presidential concession for a line extension from Ensenada to Todos los Santos, for Southern Pacific, 1904. Telegrams from the Southern Pacific, line constructions, 1904. Contracts and concessions to the Southern Pacific, 1904. 15 files: Regarding railroads from American companies, contracts, concessions, telegraphs and telephone lines, etc.1905-1913.