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Stream Corridor Inventory and United States Assessment ...

the 1996 National Water Quality Inventory of 693,905 miles of rivers and streams, approximately 40 percent were impaired. Siltation, nutrients, and pathogens were the most common causes of degradation (U.S. EPA 1998) The need for stream corridor inventories and assessments

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  Quality, Water, National, Inventory, National water quality inventory

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