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Dr. John Marr Lecturing to Alpine Ecology Class
Part of W. Carter Johnson Papers
Alpine ecologist John Marr lecturing in the field to a University of Colorado Alpine Ecology class which Carter Johnson and Warren Keammerer attended.
Famous Alpine Ecologist John Marr Lecturing University of Colorado
Part of W. Carter Johnson Papers
Alpine ecologist John Marr lecturing in the field to a University of Colorado Alpine Ecology class which Carter Johnson and Warren Keammerer attended.