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OverviewPlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Southern Pacific Railroad's Pengra Pass route connecting Portland, Oregon with San Francisco, California was completed in 1926. Hauling the trains over the Cascade Mountains would be the answer to problems with huge amounts of curvature and very steep grades dictated by the old line down the Willamette Valley and over the Siskiyou Mountains. Nonetheless, a major helper operation is demanded by the 44 miles of constant grade - the longest anywhere on the former Southern Pacific system - and remember, that would include Donner Pass. Full Product DetailsAuthor: Nethanel WillyPublisher: Culp Press Imprint: Culp Press Dimensions: Width: 15.20cm , Height: 0.60cm , Length: 22.90cm Weight: 0.163kg ISBN: 9786137778517ISBN 10: 6137778517 Pages: 104 Publication Date: 23 October 2011 Audience: General/trade , General Format: Paperback Publisher's Status: Unknown Availability: Not yet available  This item is yet to be released. You can pre-order this item and we will dispatch it to you upon its release. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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