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1. Estimates of undiscovered conventional oil and gas resources in the United States--a part of the nation's energy endowment
   TN872.A5 E84 1989
2. Our oil resources
   Fanning, Leonard M.
   TN872.A5 F17
3. Our oil resources
   Fanning, Leonard M.
   TN872.A5 F18
4. The rise of American oil
   Fanning, Leonard M.
   TN872.A5 F2
5. The rise of American oil
   Fanning, Leonard M.
   TN872.A5 F3 1948