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File:APPROACH TO BRIDGE FROM WEST - Black Canyon Road Bridge, Spanning Santa Ysabel Creek at intersection of Black Canyon and Sutherland Dam Roads, Ramona, San Diego County, CA HAER CAL,37-RAMO.V,1-4.tif

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APPROACH TO BRIDGE FROM WEST - Black Canyon Road Bridge, Spanning Santa Ysabel Creek at intersection of Black Canyon and Sutherland Dam Roads, Ramona, San Diego County, CA
Photographer

William Dewey

Related names:

Thomas, William
Dewey, William B, photographer
Dolan, Christy, historian
Allen, Rebecca, historian
Title
APPROACH TO BRIDGE FROM WEST - Black Canyon Road Bridge, Spanning Santa Ysabel Creek at intersection of Black Canyon and Sutherland Dam Roads, Ramona, San Diego County, CA
Description
Black Canyon Road Bridge — crossing Santa Ysabel Creek in the Cuyamaca Mountains, ~10 miles northeast of Ramona in northern San Diego County, California.
Depicted place California; San Diego County; Ramona
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,37-RAMO.V,1-4
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.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Significance: The Black Canyon Road Bridge is a concrete arch bridge that exemplifies the technological innovation known as the Thomas Three-Hinge System.
  • The bridge is one of only three existing examples designed by William Thomas in California.
  • It is remarkably unaltered and its original setting is still intact.
  • The bridge was determined eligible for the National Register of Historic Places during a 1987 California Historic Bridges Survey by the California Department of Transportation.
  • Survey number: HAER CA-264
  • Building/structure dates: 1913 Initial Construction
Source https://www.loc.gov/pictures/item/ca2640.photos.190976p
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 location33° 02′ 30.01″ N, 116° 52′ 01.99″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Date/TimeThumbnailDimensionsUserComment
current13:35, 7 July 2014Thumbnail for version as of 13:35, 7 July 20145,204 × 4,165 (20.67 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 05 July 2014 (401:500)

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