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NORTH AMERICA
USA: The West
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Hells Canyon
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Vancouver
Island
WASHINGTONOREGON
IDAHO
MONTANA
BRITISH COLUMBIA
ALBERTA
CANADA
Seattle
Spokane
Tacoma
Eugene
Portland
OLYMPIA
SALEM
BOISE
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Bend
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City
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Springfield
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Idaho Falls
Nampa
Coeur d'AleneLewiston
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Alturas
Weed
Hells Canyon is thedeepest in the US,with cliffs up to 7993 ft(2436 m) high.
The Boeing aircraft factory inEverett is the world’s largestbuilding by volume at472 million cu ft (13.3 million cu m), covering 100 acres (40 hectares).