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Science and Technology News
Stories from around the region that engage and inspire.A special thank you to the City of Flagstaff BBB grant program and Flagstaff Cultural Partners for awarding KNAU $18,400 to help fund KNAU's Science and Technology Desk.

Carving Grand Canyon: New Theories About An Old Canyon

KNAU News and Talk - Arizona Public Radio | By Gillian Ferris
Published November 15, 2012 at 12:32 PM MST

Flagstaff geologist Wayne Ranney discusses some new theories of how - and when - the Grand Canyon formed. The second edition of Ranney's book, Carving Grand Canyon, was recently released.
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KNAU and Arizona News Science and TechnologyGrand Canyongeology
Gillian Ferris
Gillian Ferris was the News Director and Managing Editor for KNAU.
See stories by Gillian Ferris
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