File:East portal of Tunnel 18, view to west-southwest from milepost 410.5, 210mm lens. The single-lens searchlight-type block signals are Southern Pacific Common Standard signals, a HAER CAL,47-DORR.V,1-3.tif

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Union Pacific Railroad
Title
East portal of Tunnel 18, view to west-southwest from milepost 410.5, 210mm lens. The single-lens searchlight-type block signals are Southern Pacific Common Standard signals, a type in use since the 1920s. Many of these have been replaced system-wide as a result of various mergers since the 1980s. - Southern Pacific Railroad Natron Cutoff, Tunnel No. 18, Milepost 410, Dorris, Siskiyou County, CA
Depicted place California; Siskiyou County; Dorris
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER CAL,47-DORR.V,1-3
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

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Notes
  • Significance: The Southern Pacific Railroad Cascade Route, built as the Natron Cutoff between Black Butte, California and Natron, Oregon was one of a series of major rebuildings and realignments of the original Central Pacific Railroad. Begun in 1905 under railroad magnate E.H. Harriman to replace the original Central Pacific route over the Siskiyour Mountains into Oregon, the Natron Cutoff had to overcome both natural and political obstacles. Stalled by government anti-trust lawsuits against Harriman, by World War I and the ensuing federal takeover of the nation's railroads, the Natron Cutoff finally overcame the rugged Cascade Mountains of Oregon to reach completion in 1927, at an ultimate cost of nearly $40 million. For the purpose of the current project, the Natron Cutoff was found likely to be eligible for the National Register of Historic Places at the state level of significance under Criterion A for its significance in engineering, transportation history, and the economic history of central Oregon, and in the development of the West, and under criterion B for its association with E.H. Harriman. The Natron Cutoff's period of significance is 1905 to 1945, from the beginning of construction in 1905, through the years of its role in the economic development of the central Oregon, to the conclusion of the railroad's achievements in World War II. Built in 1909, Tunnel 18 is a contributive element of this property.
  • Survey number: HAER CA-219
  • Building/structure dates: 1909 Initial Construction
Source https://www.loc.gov/pictures/item/ca2462.photos.316005p
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Object location41° 58′ 03″ N, 121° 55′ 00.98″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current21:30, 6 July 2014Thumbnail for version as of 21:30, 6 July 20145,000 × 4,017 (19.16 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 05 July 2014 (401:500)

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