IAN, in collaboration with the Meyer Memorial Trust, will develop the Willamette River Report Card. The 187 mile long Willamette River is located entirely in Oregon and is a major tributary of the Columbia River. Flowing northward between the Oregon Coast Range and the Cascade Range, the Willamette River basin contains two-thirds of Oregon's population, including the state's largest city, Portland, positioned near the confluence of the Willamette and Columbia Rivers.

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