Original Caption: Rifle in pickup truck, 06/1973 U.S. National Archives’ Local Identifier: 412-DA-6734 Photographer: Norton, Boyd Subjects: Environmental protection Natural resources Pollution Wyoming (United States) inhabited place Persistent URL: research.archives.gov/description/549220 Repository: Still Picture Records Section, Special Media Archives Services Division (NWCS-S), National Archives at College Park, 8601 Adelphi Road, College Park, MD, 20740-6001. For information about…