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<img src="http://www.uvm.edu/~uvmpr/images/features/wemple_students_300x212.jpg" height="212" width="300" />Four University of Vermont undergraduates huff uphill on aluminum snowshoes, deep in the US Forest Service's Hubbard Brook Experimental Forest. They've been working all day for Beverley Wemple, professor of geography, who has employed them through a National Science Foundation grant that supports undergraduates participating in research.