Northern Withrow: Enigmatic basalt boulders tell the tale of a massive ancient glacier. Just north of Withrow, Washington, the pancake-flat farms and fields are dotted by massive mysterious basalt ...
The geology of Washington state varies wildly from region to region, belying the great medley of events -- ancient and more recent, catastrophic and systematic-- that formed it. And in no part of the ...
On the banks of the Columbia River, tall columns of rock poke out from the cliffs. “So you see all of these black rocks that are on either side of us, on either side of the river? Those are basalts.
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