Clearing Final Bedrock
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Clearing Final Bedrock
Jackhammer crews are here shown working on final bedrock just east of block 40. The buttress wall in the background contains 3,000 cubic yards of concrete, and was rushed to completion as a continuous pour in a week's time. It was placed to strengthen the cofferdam cell cluster when it was threatened with a leak similar to the one which occurred in the downstream corner on March 16 -20th., 1937. Bulkheads placed in the outside ends of the galleries prevent the river from pouring into the...
Lower foundational work in preparation for pouring the individual blocks to construct a base for the Grand Coulee Dam.
Part of: Western Waters Digital Library: http://harvester.lib.utah.edu/wwdl/; Photographer Unknown
Clifford R. Koester
Concrete dams--Foundations--Washington (State)--Grand Coulee Dam; Foundations--Design and construction--Washington (State)--Grand Coulee Dam; Construction workers--Washington (State)--Grand Coulee Dam; Tunnels--Design and Construction--Washington (State)--Grand Coulee Dam; Power hammers--Washington (State)--Grand Coulee Dam; Lattice boom cranes (Excavating machinery)--Grand Coulee Dam (Wash.)
Construction; Construction employees; Construction equipment; Hoisting machinery; Cofferdams; Excavation
United States--Washington (State)--Grant County--Grand Coulee Dam site, Grand Coulee Dam (Wash.)
Manuscripts, Archives, and Special Collections, Washington State University Libraries: http://www.wsulibs.wsu.edu/holland/masc/masc.htm
A History of the Columbia Basin Project (Vol. 1, Page 62)-Cage 709: Clifford R. Koester Papers, 1927-1972: http://www.wsulibs.wsu.edu/holland/masc/finders/cg709.htm
To order a reproduction please see: http://www.wsulibs.wsu.edu/holland/masc/policies.htm , or contact Washington State University Libraries, Manuscripts, Archives, and Special Collections: (509) 335-6691.
For permission to publish please contact Washington State University Libraries, Manuscripts, Archives, and Special Collections: (509) 335-6691.
Original photographic prints were scanned at 24 bit 3000 pixels by the long side for master TIFF files on an Plustek OpticBook 3600 Plus. Also, 24 bit 150 PPI JPEGs were created with the OpticBook 3600 Plus and added to the CONTENTdm database at the WSU Libraries