Idaho evaluates efforts to eradicate invasive mussels
Have efforts to eradicate invasive mussels detected last fall in the Columbia River Basin been successful? Idaho officials are..
NPR
Columbia River drainage basin
Drainage basin of the Columbia River in western North America
The Columbia River drainage basin is the drainage basin of the Columbia River in the Pacific Northwest region of North America. It covers 668,000 km2 or 258,000 sq mi. In common usage, the term often refers to a smaller area, generally the portion of the drainage basin that lies within eastern Washington.
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