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Sarah Anderson Willig

Advisor & Lecturer, Professional Masters of Environmental Studies Program, University of Pennsylvania


Ph.D., University of Pennsylvania, "Long Term Changes (1930-32 to 1984) in the Acid-Base Status of Forest Soils in the Adirondacks of New York"

Department of Earth and Environmental Science / University of Pennsylvania, 251 Hayden Hall, 240 South 33rd Street, Philadelphia, PA 19104-6316