![](http://www.alamy.com/thumbs/6/1E2BDDAA-2738-49F6-9324-2C5366487B13/D4X5FA.jpg)
Inside Keystone Canyon, Looking South Along the Richardson Highway. The Cliffs at the Left Climb More Than 1,000 Feet Above the Rushing Waters of the Lowe River. Mile 766, near the Alaska Pipeline Route 08/1974
Inside Keystone Canyon, Looking South Along the Richardson Highway. The Cliffs at the Left Climb More Than 1,000 Feet Above the Rushing Waters of the Lowe River. Mile 766, near the Alaska Pipeline Route 08/1974
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Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., agency, archives, canyon, documerica, environmental, environmentalprotectionagency, historic, history, keystone, keystonecanyon, landscape, nara:arcid=555679, national, protection, road, usa, usnationalarchives