What is the history of the Columbia Plateau in Washington? ?

January 8th, 2009
  • The history of Columbis Pleatue, in Washington, what makes it unique, whats the economy..


  • The Columbia Plateau is a rolling, semiarid, and prairie-like region in southeastern Washington. In the southeast, just north of the Snake River, is the large wheat-growing dunelike area of the Palouse River section. West of the Palouse lie the Scablands, or Channeled Scablands, an almost barren lava plateau that was channeled, or carved, into coulees, or deep canyons, by glacial meltwaters at the end of the last Ice Age, about 10,000 years ago. The largest of the canyons are Grand Coulee and Moses Coulee. Occupying the extreme southeastern part of the Columbia Plateau are the Blue Mountains, which range up to 2,100 m (7,000 ft).








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