Keywords: The southeast corner of the immense 3,000 foot Grand Coulee cofferdam - NARA - 293984.jpg Scope and content Photograph from Volume Two of a series of photo albums documenting the construction of the Grand Coulee Dam and related work on the Columbia Basin Project Full caption for this photograph reads The southeast corner of the immense 3 000 foot Grand Coulee cofferdam; between the cell clusters will be seen the timber struts in the section now being excavated for placing the first concrete in the Grand Coulee Dam; overhead is a portion of the 3 500 foot suspension bridge for transporting sand and gravel from the mixer stock piles to west side mixing plant; the trestle crossing the Columbia River carries the conveyor transporting excavated material from the east side; in the near right hand foreground is the bedrock on which the big dam will be built - a bed of dense solid granite known to be over 800 ft thick The Grand Coulee Dam across the Columbia River has a width at the base of 500 feet; will be 550 feet high from its foundation and 4 300 feet long containing over 11 000 000 cubic yards of concrete General notes 293984 Local identifier Department of the Interior Bureau of Reclamation Engineering and Research Center 05/18/1981 - 03/04/1988 NARA's Rocky Mountain Region Denver NRGA Building 48 Denver Federal Center West 6th Avenue and Kipling Street Denver CO 80225-0307 09/1935 Record group Record Group 115 Records of the Bureau of Reclamation 1889 - 2008 Record group ARC 444 Photograph albums compiled 1903 - 1972 Series ARC 293611 File unit File unit ARC Variant control numbers NAIL Control Number NRG-115-CONSTPHO85006-COLBASIN2689 Other versions <gallery> File The_southeast_corner_of_the_immense_3 000_foot_Grand_Coulee_cofferdam_-_NARA_-_293984 tif tif </gallery> NARA-cooperation PD-USGov Grand Coulee Dam |