The people in Oregon are concentrated in the fertile Willamette Valley from [[Portland]] to Eugene. The Cascade mountains divide the state into wet and dry halves, much like neighboring Washington State, but Eastern Oregon lacks the irrigation works of the Columbia basin and much more resembles Nevada. | The people in Oregon are concentrated in the fertile Willamette Valley from [[Portland]] to Eugene. The Cascade mountains divide the state into wet and dry halves, much like neighboring Washington State, but Eastern Oregon lacks the irrigation works of the Columbia basin and much more resembles Nevada. |