Petroleum investigation, Hearing[s] before a subcommittee of the Committee on interstate and foreign commerce, House of representatives, Seventy-sixth Congress, third session, on H.Res. 290 and H.R. 7372, to promote the conservation of petroleum; to provide for cooperation with the states in preventing the waste of petroleum; to create an office of petroleum conservation; to amend the Act of February 22, 1935, as amended, and for other purposes ...
- Washington, U.S. Govt. Print. Off., 1939-1940.
5 pt. in 1 plates, fold. map, tables, diagrs. (1 fold.). 23 cm.