Keywords: IRRIGATING AN ALFALFA FIELD ON AN EXPERIMENTAL FARM OPERATED BY EPA'S LAS VEGAS NATIONAL RESEARCH CENTER - NARA - 548950.jpg Scope and content General notes 548950 Local identifier 412-DA-6463 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 1972-05 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 108/43/006463<br /> NAIL Control Number NWDNS-412-DA-6463 Other versions <gallery> File IRRIGATING_AN_ALFALFA_FIELD_ON_AN_EXPERIMENTAL_FARM_OPERATED_BY_EPA'S_LAS_VEGAS_NATIONAL_RESEARCH_CENTER_-_NARA_-_548950 tif tif File IRRIGATING_AN_ALFALFA_FIELD_ON_AN_EXPERIMENTAL_FARM_OPERATED_BY_EPA'S_LAS_VEGAS_NATIONAL_RESEARCH_CENTER_-_NARA_-_548950 jpg jpg </gallery> NARA-cooperation PD-USGov Irrigation in the United States Fields in the United States Medicago sativa fields Tractors in the United States Unidentified tractors Massey Ferguson forage harvesters Pull-type forage harvesters Nevada Test Site Environmental Protection Agency Farm 1972 in Nevada |