Home > California > Cisco > Central Pacific Transcontinental Railroad, Tunnel No. 38, Milepost 180.58, Cisco, Placer County, CA
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Item Title
Central Pacific Transcontinental Railroad, Tunnel No. 38, Milepost 180.58, Cisco, Placer County, CA
LocationMilepost 180.58,
Cisco, CA
Find maps of Cisco, CA
Created/Published
Documentation compiled after 1968.
Notes
Survey number HAER CA-211
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 38 is a contributive element of this historic property.
Collection
Historic American Engineering Record (Library of Congress)
Contents
Photograph caption(s):
1. West portal of Tunnel 38, contextual view to east, 135mm lens. West portal of Tunnel 3 (HAER CA-212) on original Central Pacific Transcontinental line visible in distance at left.
2. West portal of Tunnel 38, view to east, 135mm lens. Note the notched wingwalls that support steel posts of entrance snowshed; these would have originally held timber posts of the original timber snowsheds, miles of which once enclosed and protected the railroad from the ravages of Sierra winters. Note also that these tunnels, built in the 1920s, have dispensed with any use of stone masonry, and instead have all-concrete portals.
3. East portal of Tunnel 38, view to west, 135mm lens with electronic flash fill.
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