All petroleum would be finished 1939



Council on Environmental Quality and The United States Department of State : scientist
In 1909 The United States Geological Survey published a survey of the worlds known oil, natural gas and iron reserves and predicted that All natural gas would be depleted by 1934 and petroleum and iron by 1939.


http://cdn.intechopen.com/pdfs/32333/InTech-Estimating_oil_reserves_history_and_methods.pdf


http://cdn.intechopen.com/pdfs/32333/InTech-Estimating_oil_reserves_history_and_methods.pdf