Edward L. Doheny prices were high. The Mexican Petroleum Company was the largest in Mexico, and Mexico was the largest oil producer in the world. In 1922 Albert B. Fall, U.S. Secretary of the Interior, leased the oil field at Elk Hills, California, to the Pan American Petroleum & Transport Company. Around the same time, the Teapot Dome Field in Wyoming was leased to Sinclair Consolidated Oil Corporation. Both oilfields were part of the US Navy's petroleum reserves. Neither lease was subject to competitive bidding. In 1924 rumors about corruption in the deals escalated into the Teapot Dome scandal. Doheny's reputation was somewhat
History of the oil shale industry in the United States but lagged farther behind consumption, and net imports of crude oil to the US rose sharply, from 18 million barrels in 1915 to 106 million barrels in 1920. The nation's largest oil shale resource, Green River Formation, was accidentally discovered in 1874. That beds of the Green River Formation could yield oil upon heating had been known for years, but the publication in 1914 of US Geological Survey Bulletin 581, "Oil-Shale in Northwestern Colorado and Northeastern Utah" brought the enormous size of the resource to public attention. Concerned that a coming oil famine could strand the American fleet, in 1912