Copper Canyon -- the Barranca del Cobre -- is in northwestern Mexico , in the part of the Sierra Madre Occidental mountain range that lies within the state of Chihuahua .
Mexico /location/country/administrative_divisions Chihuahua
Chihuahua /location/administrative_division/country Mexico
Mexico /location/location/contains Chihuahua
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Mexico
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Chihuahua
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/location/country/administrative_divisions
Chihuahua
LOCATION
Mexico
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/location/administrative_division/country
Mexico
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Chihuahua
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