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Title	Graving Dock Bottom
Description	In the bottom of the caisson graving dock a concrete floor slab 16 feet thick was poured on a cobble fill. The drain pipe rising in the center leads to the pump sump on the far side.
Date Original	1930/1945
Author	Koester, Clifford R.; photographer unknown
Library of Congress Subject Headings	United States--Washington (State)--Grant County--Grand Coulee Dam site; United States--Washington (State)--Grant County--Grand Coulee Dam
TGM Subject	Excavation
Type	Image
Genre	Photographs
Geographic Area	United States--Washington (State)--Grant County--Grand Coulee Dam site
Identifier	cg709b1v3p308.jpg
Source	Is found in A History of the Columbia Basin Project (vol. 3, pg. 308), Cage 709, Clifford R. Koester Papers http://libraries.wsu.edu/masc/finders/cg709.htm at Washington State University Libraries' Manuscripts, Archives, and Special Collections (MASC) http://libraries.wsu.edu/masc
Rights	http://rightsstatements.org/vocab/NKC/1.0/
Rights Notes	No known copyright. Item is in public domain as it was created by United States government.
Digital Format	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
Notes	Part of Western Waters Digital Library, http://westernwaters.org/
Language	English
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