Estimates of undiscovered conventional oil and gas resources in the United States--a part of the nation's energy endowment /
by R.F. Mast ... [et al.].

APA Citation

Mast, R. F. (Richard Frederick)., Geological Survey (U.S.). Conservation Division., Geological Survey (U.S.). (1989). Estimates of undiscovered conventional oil and gas resources in the United States--a part of the nation's energy endowment. Washington: U.S. G.P.O..

MLA Citation

Mast, Richard F. (Richard Frederick), 1931-, Geological Survey (U.S.). Conservation Division, and Geological Survey (U.S.). Estimates of Undiscovered Conventional Oil And Gas Resources In the United States--a Part of the Nation's Energy Endowment. Washington: U.S. G.P.O., 1989.