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12. Chemical and biological indicators of nutrient enrichment in the Yellowstone River Basin, Montana and Wyoming, August 2000 : study design and preliminary results
13. Chemical and biological quality of surface water at the U.S. Army Atterbury Reserve Forces Training Area near Edinburgh, Indiana, September 2000 through July 2001
14. Chemical quality of water, sediment, and fish in Mountain Creek Lake, Dallas, Texas, 1994-97
15. Chemistry and age of ground water in the southwestern Hueco Bolson, New Mexico and Texas
16. Classification of irrigated land using satellite imagery, the High Plains aquifer, nominal date 1992
17. Comparison and continuous estimates of fecal coliform and escherichia coli bacteria in selected Kansas streams, May 1999 through April 2002
18. Comparison between agricultural and urban ground-water quality in the Mobile River Basin
19. Comparison of irrigation water use estimates calculated from remotely sensed irrigated acres and state reported irrigated acres in the Lake Altus drainage basin, Oklahoma and Texas, 2000 growing season
20. Comparison of storm response of streams in small, unmined and valley-filled watersheds, 1999-2001, Ballard Fork, West Virginia
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