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- World Petroleum Resources Project10
- American Association of Petroleum Geologists, issuing body9
- Geological Society of London, issuing body9
- Higley, Debra K.9
- Jillson, Willard Rouse, 1890-19759
- Ryder, Robert T.9
- Shannon, P. (Pat)9
- Brooks, J. (James)8
- Eisenhard, Robert M.8
- Johnson, David S.8
- Mendoza, Herbert A.8
- National Assessment of Oil and Gas Project (U.S.)8
- Powers, Richard Blake8
- Bird, Kenneth J.7
- Hobson, George Douglas7
- Houseknecht, David W.7
- Nelson, LaVerne B.7
- Nuccio, Vito F.7
- Rocky Mountain Association of Geologists7
- Caldwell, John W.6