Stuart Daggett, Chapters on the History of the Southern Pacific
“ The terms of the contract of 1871 are not available, but a subsequent agreement, dated October 1, 1872, contained the following principal provisions:The Pacific Mail Steamship Company agreed to provide every month three first-class steamers to sail from the port of New York for the Isthmus of Panama, with connecting steamers on the Pacific Ocean for the port of San Francisco. The company undertook to supply space in these steamers for an amount of freight not exceeding 14,700 tons annually. ”
