Risk-rating systems for mature red fir and white fir in northern California /
George T. Ferrell.

APA Citation

Ferrell, G. T., Pacific Southwest Forest and Range Experiment Station (Berkeley, C. (1980). Risk-rating systems for mature red fir and white fir in northern California. Berkeley, Calif.: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station.

MLA Citation

Ferrell, George T, and Calif.) Pacific Southwest Forest and Range Experiment Station (Berkeley. Risk-rating Systems for Mature Red Fir And White Fir In Northern California. Berkeley, Calif.: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1980.