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Alton Byers, Landscape Change and Man-Accelerated Soil Loss: The Case of the Sagarmatha (Mt. Everest) National Park, Khumbu, Nepal, Mountain Research and Development, Vol. 7, No. 3, Proceedings of the Mohonk Mountain Conference: The Himalaya-Ganges Problem (Aug., 1987), pp. 209-216
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Alton C. Byers (1987) studied this question.
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