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Author/Creator
- Geological Survey (U.S.)7
- Andrews, William J., 1962-1
- Bartos, Timothy T.1
- Carter, Kayla1
- Collins, Jerilyn J.1
- Crompton, E. James1
- Fendick, Robert B.1
- Florida. Department of Environmental Regulation1
- Frederick, C. Paul1
- Greene County (Mo.)1
- Hallberg, Laura L.1
- Haugh, Connor J.1
- Hileman, G. E. (Gregg Edward), 1962-1
- Louisiana. Department of Natural Resources1
- Missouri. Department of Natural Resources1
- Mugel, Douglas N.1
- Ogle, Kathy Muller1
- Oliveros, James P.1
- Richards, Joseph M.1
- Robinson, John A. (John Adam), 1963-1