Notes on the Geography of The Western United States: The Central Pacific Railroad: Photo 17 The date on this tunnel--the Clark Tunnel, through Boulder Ridge--indicates construction during the reign of E.H. Harriman, who briefly controlled the Southern Pacific as well as the Union Pacific and who invested huge sums in upgrading his properties, including double-tracking the Central Pacific. At many points, like this one, the second track diverges from the first in search of a better gradient. View: tiny * small * medium * big * biggest Photo Size Back to The Western United States: The Central Pacific Railroad chapter Short link for this page: http://www.greatmirror.com?justpic=17679

* Argentina * Australia * Austria * Bangladesh * Belgium * Botswana * Brazil * Burma / Myanmar * Cambodia (Angkor) * Canada (B.C.) * China * The Czech Republic * Egypt * Fiji * France * Germany * Ghana * Greece * Guyana * Hungary * India: Themes * Northern India * Peninsular India * Indonesia * Israel * Italy * Japan * Jerusalem * Jordan * Kenya * Laos * Kosovo * Malawi * Malaysia * Mauritius * Mexico * Micronesia (Pohnpei) * Morocco * Mozambique * Namibia * The Netherlands * New Zealand * Nigeria * Norway * Oman * Pakistan * Peru * The Philippines * Poland * Portugal * Romania (Transylvania) * Senegal * Singapore * South Africa * South Korea * Spain * Sri Lanka * Sudan * Syria (Aleppo) * Tanzania * Thailand * Trinidad * Turkey (Istanbul) * Uganda * The U.A.E. (Dubai) * The United Kingdom * The Eastern United States * The Western United States * Oklahoma * Uruguay * Uzbekistan * Vietnam * The West Bank * Yemen * Zambia * Zimbabwe *