A long time ago, hot rock flowed. 

40 words
🖼️ Images & Media (10)
Columbia River Flood-Basalt Province.jpg
Mascall-Mural.jpg
Palouse-Canyon-Washington-State.jpg
HotspotsSRP update2013.JPG
YaquinaHead 6382.jpg
Hole in the Ground Coulee.jpg
SteensMountain - view from top.jpg
Imnaha, Oregon.jpg
Grande Ronde River and Grande Ronde...
Park Lake Side Canyon 0303.JPG
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Content adapted from Wikipedia
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Readability: FK 13.0
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Vital Level 5