Yazar
w y pong
15 cilt bulundu.
W. Y. Pong · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
30 sayfa · 1986
Moisture / Growth / Trees / Western hemlock / Douglas fir
W. Y. Pong · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
11 sayfa · 1970
Electric eye cameras / Lumber / Grading
W. Y. Pong · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
20 sayfa · 1971
Lumber / Wood / Abies concolor / Grading / Drying
W. Y. Pong · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
14 sayfa · 1976
Lumbering / Wood waste / Douglas fir / Statistics / Balloon logging
W. Y. Pong · Pacific Northwest Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service
39 sayfa · 1973
Fir / Lumber / Forest products / Abies concolor / Abies magnifica
W. Y. Pong · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
18 sayfa · 1974
Lumber / Abies concolor / Grading
W. Y. Pong · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
12 sayfa · 1962
Drying / Lumber
W. Y Pong · U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
14 sayfa · 1982
Fir / Lumber
W. Y Pong · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
30 sayfa · 1984
Douglas fir / Logging, Skyline / Skyline Logging / Wood waste
W. Y Pong · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
22 sayfa · 1988
Lumbering / Incense cedar
W. Y. 'Pong · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1971
Forests and forestry / Measurement
W. Y. Pong · Biomass and Energy Project, Pacific Northwest Forest and Range Experiment Station
54 sayfa · 1986
Statistics / Logging / Density / Biomass energy / Geographical distribution
W. Y. Pong · Biomass and Energy Project, Pacific Northwest Forest and Range Experiment Station
13 sayfa · 1985
Statistics / Logging / Density / Biomass energy / Geographical distribution
W. Y Pong · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
33 sayfa · 1978
Logging / Slash (Logging) / Douglas fir
J. C. Ward, W. Y. Pong, U. S. Department Agriculture, Forest Service · CreateSpace Independent Publishing Platform
58 sayfa · 2013
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