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| View Original: | Diamond_drill_bit_carrying_eight_stones_weighing_21.15_kt._lost_in_hole_D200_W147_on_December_10,_1922,_during_early..._-_NARA_-_293904.jpg (3000x2105) | |||
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| Keywords: Diamond drill bit carrying eight stones weighing 21.15 kt. lost in hole D200 W147 on December 10, 1922, during early... - NARA - 293904.jpg Scope and content Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam Boulder City Nevada General notes 293904 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 1933-06-26 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-BC21821 Other versions <gallery> File Diamond drill bit carrying eight stones weighing 21 15 kt lost in hole D200 W147 on December 10 1922 during early - NARA - 293904 tif tif </gallery> NARA-cooperation PD-USGov Drills Hoover Dam construction equipment 1933 in the United States | ||||
