Bedrock Preparation
Rating |
|
Title |
Bedrock Preparation |
Title Caption |
Timber plug between block 40, and steel cells in cofferdam section "G"; Preparing bedrock for block 39 in foreground - conveyor bridge in upper left. |
Description |
Photograph shows a timber plug used to stem the flow the Columbia River for preparation of bedrock. The last downstream crib was placed on December 9, 1936 and the final closure of the main channel with the timber plug ended on December 15, 1936. |
Date Original |
1936-04-30 |
Author |
United States. Department of the Interior. Bureau of Reclamation.; photographer unknown |
Library of Congress Subject Headings |
Foundations--Design and construction--Washington (State)--Grand Coulee Dam; Cranes, derricks, etc.--Washington (State)--Grand Coulee Dam; Gantry cranes--Washington (State)--Grand Coulee Dam |
TGM Subject |
Dam construction; Excavation; Civil engineering; Erosion protection works; Concrete; Civil engineering; Erosion protection works |
Type |
Image |
Genre |
Photographs |
Geographic Area |
United States--Washington (State)--Grant County--Grand Coulee Dam site; United States--Washington (State)--Grant County--Grand Coulee Dam |
Identifier |
cg040b05v4p146.jpg |
Publisher |
Manuscripts, Archives, and Special Collections, Washington State University Libraries: https://libraries.wsu.edu/masc/ |
Source |
Is found in A History of the Columbia Basin Project (vol. 4, pg. 146), Cage 40, Frank A. Banks Papers https://libraries.wsu.edu/masc/finders/cg40.htm at Washington State University Libraries' Manuscripts, Archives, and Special Collections (MASC) https://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 the United States government. |
Digitization |
Original photographic prints were scanned at 24 bit 3000 pixels by the long side for master TIFF files on an Epson Expression 10,000 XL scanner. While 24 bit 150 PPI JPEG also created 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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