Glacier History of the Western United States – Wind River Range, Wyoming & the Sierra Nevada, California Aaron Putnam, Sean Birkel, George Denton, Kathryn Ladig Collaborators: Joerg M. Schaefer (Columbia University), Edward B. Evenson (Lehigh University), David E. Putnam (University of Maine – Presque Isle), Peter Quesada, Peter Huybers (Harvard University), Richard B. Alley (Penn
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