To create a bituminous coal commission : hearings before a subcommittee of the Committee on Mines and Mining, United States Senate, Seventy-second Congress, first session, on S. 2935 : a bill to regulate interstate and foreign commerce in bituminous coal; provide for consolidations, mergers, and cooperative marketing; require the licensing of corporations producing and shipping coal in interstate commerce; and to create a Bituminous Coal Commission; and for other purposes.