File:DETAIL OF OVERHEAD SERVICE CRANE (5-TON CRANE MANUFACTURED BY ARMINGTON CARRIAGE; 3-TON HOIST MANUFACTURED BY WRIGHT HOIST COMPANY) IN VALVEHOUSE FOR NEEDLE VALVE OUTLET WORKS HAER ORE,23-NYS.V,1-45.tif

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Photographer

Fraser, Clayton B. Fraserdesign.

Related names:

Maul, David, transmitter
Title
DETAIL OF OVERHEAD SERVICE CRANE (5-TON CRANE MANUFACTURED BY ARMINGTON CARRIAGE; 3-TON HOIST MANUFACTURED BY WRIGHT HOIST COMPANY) IN VALVEHOUSE FOR NEEDLE VALVE OUTLET WORKS ON GALLERY 2. VIEW TO EAST. - Owyhee Dam, Across Owyhee River, Nyssa, Malheur County, OR
Depicted place Oregon; Malheur County; Nyssa
Date 1989
date QS:P571,+1989-00-00T00:00:00Z/9
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 ORE,23-NYS.V,1-45
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: Owyhee Dam is a 417-foot-high, concrete thick-arch dam (or arch/gravity dam). At its completion in 1932, Owyhee was the tallest dam in the world, a short-lived distinction because it was superceded in 1936 with the completion of 726-foot high Hoover Dam. Owyhee Dam has engineering significance as the proving ground for construction techniques developed by Bureau of Reclamation engineers for use at Hoover Dam. Tests conducted on the cooling and shrinking of mass concrete as it cured at Owyhee Dam helped assure Bureau engineers that their techniques would work at Hoover Dam. Historic apparatus for monitoring those tests is still in place on the interior of Owyhee Dam. Owyhee also has engineering significance for its ancillary features. The ring gate on the Owyhee Dam spillway was the first ever built. It was the first dam in which a freight elevator was installed. The needle valves in the outlet works for Owyhee Dam, which make it possible to regulate the discharge of water under very high pressure, represent a late stage in the evolution of such valves by the Bureau of Reclamation. Upon its completion, Owyhee Dam began storing water for use by farmers on the Owyhee Project, one of the most important in the development of irrigated agriculture in Oregon.
  • Survey number: HAER OR-17
  • Building/structure dates: 1932 Initial Construction
  • Building/structure dates: 1984 Subsequent Work
Source https://www.loc.gov/pictures/item/or0200.photos.354212p
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 location43° 52′ 36.98″ N, 116° 59′ 38″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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