Books by D. F. Roy
Total count: 6
Douglas-fir regenerationa selected and annotated bibliography for use in CaliforniaCalifornia Forest and Range Experiment Station1953-01-01
Oregon limits of California tree seed collection zonesCalifornia Forest and Range Experiment Station1955-01-01
Hardwood sprout measurements in northwestern CaliforniaCalifornia Forest and Range Experiment Station1955-01-01
Salvage logging may destroy Douglas-fir reproductionCalifornia Forest and Range Experiment Station1956-01-01
Guide to the Yurok Redwood Experimental Forest1958-01-01
Forest management research in the redwood--Douglas-fir region of Californiaa summary of forecasters views on research needsCalifornia Forest and Range Experiment Station1958-01-01