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Water-supply --- Water resources development --- Pacific Coast (U.S.)
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Water-supply --- Kanawha River (W. Va.) --- New River (N.C.-W. Va.)
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Water quality --- Water resources development --- Water-supply --- James River Watershed (Va.) --- Roanoke River Watershed (Va. and N.C.) --- Yadkin River Watershed (N.C.) --- Gulf of Mexico. --- North Carolina --- United States --- Virginia
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