THE TRANSCONTINENTAL RAILROAD

http://cprr.org/Museum/index.html

http://www.accelerationwatch.com/promontorypoint.html

http://www.pbs.org/wgbh/amex/iron/

http://www.pbs.org/wgbh/amex/tcrr/filmmore/fd.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/e_tunnels.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/e_impact.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/p_cprr.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/p_uprr.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/e_scandal.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/e_strike.html

http://www.pbs.org/wgbh/amex/tcrr/peopleevents/e_tribes.html

http://en.wikipedia.org/wiki/First_Transcontinental_Railroad

http://www.bushong.net/dawn/about/college/ids100/history.shtml

http://www.bushong.net/dawn/about/college/ids100/history.shtml