To Regulate Commerce in Crude Oil and Related Products. Letter from the Secretary of the Interior and Chairman, Federal Oil Conservation Board, Transmitting his Views on S. 3, a Bill to Regulate Commerce between the U.S. and Foreign Countries in Crude Petroleum and Fuel Oil and all Distillates Obtained from Petroleum, Including Kerosene, Benzine, Naphtha, Gasoline, Paraffin, and Paraffin Oil [electronic resource].