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Citation
| Friedel, M.J., 1998, National Water-Quality Assessment Program Upper Illinois River Basin, U.S. Geological Survey Fact Sheet 072-98. |
Abstract
| The Upper Illinois River Basin National Water-Quality Assessment (NAWQA) study will increase the scientific understanding of surface- and ground-water quality and the factors that affect water quality in the basin. The study also will provide information needed by water-resource managers to implement effective water-quality management actions and evaluate long-term changes in water quality. |
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