U.S. Forest Service research paper PSW.
USDA Forest Service research paper PSW
U.S. Forest Service research paper PSW-P
Berkeley, Calif., Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1963-68.
Forests and forestry
> United States.
Forests and forestry > California.
Forests and forestry.
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|Original Classification Number:||SD 11 .A7474|
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