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2. Hans T. Bergey , 1975 . Current Management Practices on the Providence Municipal Watershed.In: Municipal Watershed Management Symposium Proceedings. USDA Forest Service General Technical Report NE-13, Northeastern Forest Experiment Station, Upper Darby, Pennsylvania, pp.115 -123 .
3. A review of catchment experiments to determine the effect of vegetation changes on water yield and evapotranspiration
4. Stephen G. Boyce , 1978 . Management of Forests for Timber and Related Benefits (DYNAST-TM). USDA Forest Service Research Paper SE-184, Southeastern Forest Experiment Station, Asheville, North Carolina, 140 pp.
5. George E. Dissmeyer, E. S. Corbett, and W. T. Swank , 1975 . Summary of Municipal Watershed Management Surveys in the Eastern United States.In: Municipal Watershed Management Symposium Proceedings. USDA Forest Service General Technical Report NE-13, Northeastern Forest Experiment Station, Upper Darby, Pennsylvania, pp.185 -192 .