Establishment of and Revision of Boundaries of Certain National Parks. hearings before the United States Senate Committee on Public Lands and Surveys, Seventieth Congress, second session, on July 19, 22, 23, 1928. Part 2, Yellowstone National Park and Proposed Grand Teton National Park, Wyoming :

Considers legislation to extend the boundaries of Yellowstone National Park and to establish Grand Teton National Park. July 19 hearing was held in Cody, Wyo.; July 22 hearing was held in Jackson, Wyo.; and July 23 hearing was held in Wilson, Wyo.