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12. Water resources of the ground-water system in the unconsolidated deposits of the Colville River Watershed, Stevens County, Washington
13. Water Security The Water-Food-Energy-Climate Nexus
14. Water withdrawals in the Black Warrior-Tombigbee basin and Alcorn County, Mississippi, 1985-87
15. Water withdrawals in the Black Warrior-Tombigbee Basin in Alabama, 1985-87
16. Water-quality assessment of the lower Illinois River Basin : environmental setting
17. Water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin : nutrients, dissolved oxygen, and fecal-indicator bacteria in surface water, April 1987 through August 1990
18. The wetland book. I, Structure and function, management, and methods
19. The wetland book. II, Distribution, description, and conservation
20. The wetland book. I, Structure and function, management and methods
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