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Image description: Prehistoric granaries along the Colorado River above Nankoweap in Marble Canyon, Grand Canyon.  
The oldest human artifacts found within Grand Canyon park are nearly 12,000 years old.  Take 360 degree virtual tours of Grand Canyon archaeological discoveries or watch a video about archaeology along the Colorado River.  
Photo by Mark Lellouch, National Park Service

Image description: Prehistoric granaries along the Colorado River above Nankoweap in Marble Canyon, Grand Canyon.  

The oldest human artifacts found within Grand Canyon park are nearly 12,000 years old.  Take 360 degree virtual tours of Grand Canyon archaeological discoveries or watch a video about archaeology along the Colorado River

Photo by Mark Lellouch, National Park Service

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