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Applegate vicinity

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Central Pacific Transcontinental Railroad, Tunnel "O", Milepost 132.69, Applegate, Placer County, CA



B&W Photos

HB166584
West Portal Of Tunnel 'o', View To North, 90mm Lens

HB166585
East Portal Of Tunnel 'o', View To South, 90mm Lens.


Data Pages


Photo Caption Pages


Item Title


Location
Milepost 132.69, Applegate vicinity, CA

Find maps of Applegate, CA


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CA-199
Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 1863 and 1869, where it joined the Union Pacific Railroad which had built west from Omaha. For the purpose of the current project, the first transcontinental railroad was found likely to be eligible for the National Register of Historic Places at the national level of significance under Criterion A for its significance in transportation history, in uniting the East and the West, and in the development of the West. The railroad's period of significance is 1869 to 1945, from the line's completion in 1869, through the years of its role in the settlement and development of the West, to the conclusion of the railroad's achievements in World War II. Tunnel "0" is a contributive element of this historic property, virtually the last extant unmodified Central Pacific tunnel.

Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. West portal of Tunnel 'O', view to north, 90mm lens. Note inverted horseshoe shape of arch.
2. East portal of Tunnel 'O', view to south, 90mm lens.


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