Keywords: HOOVER DAM ON THE COLORADO RIVER. LAKE MEAD WATERS ON LEFT - NARA - 548975.jpg Scope and content General notes 548975 Local identifier 412-DA-6488 Environmental Protection Agency 12/02/1970 - NARA-Author O'Rear Charles 1941- Photographer 3403717 <br /> Las Vegas Clark county Nevada United States North and Central America inhabited place 4201760 36 167 -115 13 <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 05/1972 Record group Record Group 412 Records of the Environmental Protection Agency 1944 - 2006 Record group ARC 708 DOCUMERICA The Environmental Protection Agency's Program to Photographically Document Subjects of Environmental Concern compiled 1972 - 1977 Series ARC 542493 File unit File unit ARC Variant control numbers Agency-Assigned Identifier 109/08/006488<br /> NAIL Control Number NWDNS-412-DA-6488 Other versions <gallery> File HOOVER_DAM_ON_THE_COLORADO_RIVER _LAKE_MEAD_WATERS_ON_LEFT_-_NARA_-_548975 tif tif File HOOVER_DAM_ON_THE_COLORADO_RIVER _LAKE_MEAD_WATERS_ON_LEFT_-_NARA_-_548975 jpg jpg </gallery> NARA-cooperation PD-USGov Aerial photographs of Hoover Dam |