21. This would free up space along the Willamette River for development. 22. The George Abernethy Bridge is the Interstate 205 bridge over the Willamette River . 23. Dragon boat races on the Willamette River have been included every year since 1989. 24. See Johnson Creek ( Willamette River ) for a featured article on a river. 25. In Oregon Cole engaged in mercantile pursuits and steamboat transportation on the Willamette River . 26. Fur traders heavily exploited the Willamette River and its tributaries. 27. The enterprise left the Willamette River on August 29, 1842 sailing by Fort Vancouver. 28. Filming occurred in Portland, with views of the South Park Blocks and Willamette River . 29. The Willamette River valley between the Pacific and the Cascade Mountains has dominated politics. 30. Portland is in northwest Oregon, at the confluence of the Columbia and Willamette rivers .
