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Data
1933
3575
DB Code: The viability of Douglas fir and ponderosa pine seed as influenced by seed moisture content, temperature and period of heating
Data
1933
3408
DB Code: Practial application of silviculture to over-mature stands now existing on the Pacific
Data
1934
3545
DB Code: The ecological aspects of natural regeneration of Douglas fir in the Pacific north-west
Data
1934
3627
DB Code: Fire research issue
Data
1934
3494
DB Code: Heredity tests of Douglas fir and their application to forest management
Data
1934
904
DB Code: Forest fires in western Oregon and western Washington
Data
1935
3512
DB Code: Life of Douglas fir seed in the forest floor
Data
1935
3409
DB Code: Life of Douglas-fir seed in the forest floor
Data
1935
3595
DB Code: Experience with hazard indicator sticks
Data
1936
3410
DB Code: Growth of Douglas-fir trees of known seed source
Data
1937
3420
DB Code: 10 years' growth of Douglas-fir spacing-test plantations
Data
1937
3411
DB Code: Forest soil of the Douglas-fir region, and changes wrought upon it by logging and slash burning
Data
1937
3421
DB Code: Summer moisture changes in some dead and live forest fuels
Data
1937
3422
DB Code: Diurnal changes in fuel moisture in the Douglas-fir forest as affected by cover conditions
Data
1937
3412
DB Code: The Wind River arboretum from 1932 to 1937
Data
1938
895
DB Code: Cascade Head Experimental Forest timber survey, 1934
Data
1938
3413
DB Code: Factors affecting establishment of Douglas-fir seedlings
Data
1938
4109
DB Code: Yield of even-aged stands of Ponderosa pine
Data
1938
3402
DB Code: The march of silviculture
Data
1938
3414
DB Code: Plant succession on a cut-over, burned and grazed Douglas-fir area
Data
1939
3425
DB Code: Beware of rotten wood!
Data
1939
3415
DB Code: Silviculture of tree selection cutting in the Douglas-fir region
Data
1939
3424
DB Code: Formation of knots in Douglas-fir
Data
1939
3423
DB Code: Pruning of selected crop trees in Douglas-fir
Data
1940
791
DB Code: Spruce-hemlock forest shows prodigious growth

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