The Three Sisters has been getting some attention this year from mapmakers. Earlier this year, Scott Rapp of Adventure Maps of Salem released the which primarily focuses on the Three Sisters but also ...
Mount Hood Geologic Guide and Recreation Map is now available as an app download for a mobile phone or tablet. (Oregon Department of Geology and Mineral Industries) New mobile maps put the geology of ...
The name is perfect, even while it dramatically undersells this geologic wonder in remote southeast Oregon. It's called Crack in the Ground, a volcanic fissure 70 feet deep and 2 miles long that ...
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