« Previous
Next »
Author/Creator
- Geological Survey (U.S.)50
- Palmer, Allison R.19
- Ryder, Robert T.8
- Walcott, Charles D. (Charles Doolittle), 1850-19277
- Canadian Society of Petroleum Geologists5
- Geological Association of Canada5
- Taylor, Michael E.5
- Yochelson, Ellis L. (Ellis Leon), 1928-20065
- Halley, Robert B.4
- Harris, Anita G.4
- Hayes, Philip T. (Philip Thayer), 1923-4
- Hintze, Lehi F.4
- Repetski, John E.4
- Stewart, J. H., 1928-20134
- Young, H. L.4
- McMenamin, Mark A.3
- Missouri. Division of Geology and Land Survey3
- Siegel, Donald I.3
- Arkansas Geological Commission2
- Armstrong, Frank C.2