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Author/Creator
- Geological Survey (U.S.)6
- O'Hara, Charles G.6
- Mississippi. Office of Pollution Control5
- Mississippi. Department of Agriculture and Commerce3
- Mississippi. Bureau of Plant Industry2
- Moreland, Richard S.2
- Oakley, W. T. (William Thomas), 1942-1
- Reed, Thomas B.1
- Slack, Larry J.1
- United States. Environmental Protection Agency1