Development of oil and gas on the public domain. Part 2, Washington, D.C., May 7, 8, 9, 1946 : hearings before a subcommittee of the Committee on Public Lands and Surveys, United States Senate, Seventy-ninth Congress, second session on S. 1236, a bill to promote the development of oil and gas on the public domain and on lands acquired for the Appalachian National Forest, and for other purposes