Author/Creator
- Detterman, Robert L.1
- Dutton, DeAnn M.1
- Emmett, William W.1
- Farrand, William R., 1931-20111
- Gadd, N. R.1
- Garrity, Christopher P.1
- Geological Survey of Canada1
- Gray, Henry Hamilton, 1922-1
- Hallberg, George R.1
- Hartshorn, Joseph H. (Joseph Harold), 1922-1
- Howard, Alan D.1
- Huber, N. King (Norman King), 1926-1
- Indiana. Geological Survey1
- Iowa Geological Survey1
- Kansas Geological Survey1
- Louisiana. Department of Transportation and Development1
- Luza, Kenneth V.1
- Manitoba. Department of Energy and Mines1
- Missouri. Division of Geology and Land Survey1
- Morris, Edward E.1