The Potholes are the defining geologic feature near this eastern Washington park. A series of Ice Age flood-carved depressions in the earth, combin...
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Did you know that you don't have to go out of state to see petrified wood? Considered one of the most diverse fossil forests in North America, Gink...
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Imagine standing at a place where Native American people encountered the Lewis and Clark Expedition on its westward journey.On Oct. 16, 1805, the C...
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