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An instructor uses litmus paper to test the pH of a water sample for a lesson about the chemical properties of river water during the Yampa Valley Science School at the Perry-Mansfield Performing Arts School and Camp outside Steamboat Springs on Wednesday.

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Sixth-graders learn about environment at science school

Christine Krientz ran through an open meadow Wednesday swinging a butterfly net wildly through the air, trying to snag an insect.


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