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By: Frank, Ernest C. (Ernest Charles) - Lee, Richard,Edition:Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966Volume: no.18Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Forests and forestry Slopes (Physical geography) Solar radiation TablesBHL Collections: