White and red fir cone production in northeastern California :
report of a 16-year study /
Donald T. Gordon.

APA Citation

Gordon, D. T., United States. Forest Service., Pacific Southwest Forest and Range Experiment Station (Berkeley, C. (1978). White and red fir cone production in northeastern California: report of a 16-year study. Berkeley, Calif.: Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station.

MLA Citation

Gordon, Donald T, United States. Forest Service, and Calif.) Pacific Southwest Forest and Range Experiment Station (Berkeley. White And Red Fir Cone Production In Northeastern California: Report of a 16-year Study. Berkeley, Calif.: Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1978.