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sandstone
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sandstone

Sandstone rock formations and geological features found throughout Ohio, especially the dramatic cliffs and gorges of Hocking Hills and Blackhand Gorge in Licking County.

Stop #7C Grand Canyon,AZ
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Stop #7C Grand Canyon,AZ

The Grand Canyon is a record of Earth's history: rocks nearly 2 billion years old, in layers that preserve ancient oceans, deserts, and forests.

Lori Jordan Lori Jordan