Creative Commons: The photographer (Trevor Riedemann) has released this work under the Creative Commons license "Attribution-NonCommercial-ShareAlike". Please see the license for allowed uses and restrictions.
Climbers ascending the tower at the ISU Extension Iowa 4H Center.
Submitted by: Trevor Riedemann, AMES LABORATORY OF US DOE on September 9, 2011
Tags: Extension, Iowa 4H Center
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