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Author/Creator
- Geological Survey (U.S.)18
- Cleveland, J. M. (Jesse M.)2
- Mississippi. Department of Agriculture and Commerce2
- Mississippi. Office of Pollution Control2
- Moreland, Richard S.2
- Mullin, Ann H.2
- O'Hara, Charles G.2
- Barlow, Paul M.1
- Bolke, E. L.1
- Burbey, Thomas J.1
- Carey, William P.1
- Coupe, Richard H. (Richard Henry), 1954-1
- Delaware. Department of Transportation1
- Floyd, Paul C.1
- Gilliom, Robert J.1
- Gonthier, Joseph B.1
- Graczyk, David J.1
- Hayes, Donald C.1
- Hess, Kathryn M.1
- Hill, Barry R.1