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- Geological Survey (U.S.)46
- Geological Survey (U.S.), issuing body40
- Reheis, Marith C.6
- Geological Survey of Canada4
- Walker, George Walton, 1921-4
- American Association of Petroleum Geologists3
- Anderson, S. R.3
- Colman, Steven M.3
- Dischinger, James B.3
- Durham, David L., 1925-3
- Florida Geological Survey3
- Hosman, R. L.3
- Markewich, Helaine W.3
- Tolmachev, Aleksandr Innokentʹevich3
- Woodburne, Michael O.3
- Allwardt, Alan2
- American Geophysical Union2
- Anderson, Alfred Leonard, 1900-19642
- Anderson, John B., 1944-2
- Andersson, Johan Gunnar, 1874-19602