Nifty Tidbits

Nifty Tidbits by Chuck Rigby

Originally printed in the Sept.18, 2002 edition of the Illinois Valley News

The part of Oregon east of the Cascade Mountains is a complex mixture of geological treasures. In the NE corner are the Wallowa Mountains which are geologically similar to the Siskiyou’s. Between the Cascades and the Wallowas is an area known as the Columbia Plateau. It is made mostly of old lava flows which . . .

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