Mount Rainier National Park
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         G L A C I A L   G R O O V E S
 
        Mt. Rainier SectionThree Sisters SectionEmail Chad
  		Glacial grooves in the surrounding rock
    

Traces of Rainier's geologic past can be seen in these rocks. The vertical grooves are in line with present-day glaciers further up the mountain showing where they once had been.

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