Keywords: Photograph of Electrical Wires of the Boulder Dam Power Units, 1941 - NARA - 519838.tif Local identifier 79-AAB-02 Department of the Interior National Park Service Branch of Still and Motion Pictures - NARA-Author Adams Ansel 1902-1984 Photographer 1332556 <br /> Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 1941 Record group Record Group 79 Records of the National Park Service 1785 - 2006 Record group ARC 408 Ansel Adams Photographs of National Parks and Monuments compiled 1941 - 1942 documenting the period ca 1933 - 1942 Series ARC 519830 Variant control numbers NAIL Control Number NWDNS-79-AA-B02 General notes Scope and content Original caption Boulder Dam Power Unit 1941 File unit File unit ARC yes <gallery> File Photograph_of_Electrical_Wires_of_the_Boulder_Dam_Power_Units _1941_-_NARA_-_519838 tif tif File Photograph_of_Electrical_Wires_of_the_Boulder_Dam_Power_Units _1941_-_NARA_-_519838 jpg jpg </gallery> NARA-cooperation PD-USGov Hoover Dam as photographed by Ansel Adams NARA TIF images with categorized JPGs |