State of Oregon seal State of Oregon Department of Geology and Mineral Industries
 
 

Solidified flow drips on the inside of a lava tube, Lava Cast Forest, Deschutes National Forest (photo credit: J.D. McClaughry, 2004)

Solidified flow drips on the inside of a lava tube, Lava Cast Forest, Deschutes National Forest
(photo credit: J.D. McClaughry, 2004)

What's below your feet? Learn more about Oregon's geology

 

 
 

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