Geological Survey (U.S.) / Katherine Fitzpatrick-Lins / Keith A. Kvenvolden / L. Imogene Doher / Peter A. Scholle / Phoebe L. Hauff / Robert W. Fleming / United States. Bureau of Mines / United States. Interagency Oil and Gas Supply Project / Valerie A. Milazzo / Fred A. Taylor / Joseph Airey / Mark A. McMenamin |