erovnuli-samecniero-biblioteka Search for 'su:{Fir}'

Logging in the Douglas fir region.

By Gibbons, William H..
Washington, Govt. print. off., 1918 .
256 p. 23 cm..

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A study of decay in Douglas fir in the Pacific northwest.

By Boyce, John Shaw..
Washington, Govt. print. off., 1923 .
20 p. viii pl. on 4 l. , Contribution from Bureau of plant industry. | "Literature cited": p. 19. 23 cm..

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The fir engraver beetle : a serious enemy of white fir and red fir /

By Struble, George R.,.
Washington, D.C. : U.S. Dept. of Agriculture, 1937 .
16 p., 4 p. of plates : , Caption title. | Contribution from Bureau of Entomology and Plant Quarantine. 23 cm..

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The yield of Douglas fir in the Pacific northwest /

By McArdle, Richard Edwin,.
Washington, D.C. : U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. G.P.O., 1949 .
74 p. : , Cover title. 24 cm..

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Seed crops of forest trees in the pine region of California /

By Fowells, H. A..
Washington : U.S. Dept. of Agriculture, 1956 .
ii, 48 p. : , Caption title. 23 cm..

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Fir tree borer,

By Wickman, Boyd E..
[Washington, U.S. Govt. Print. Off.] 1968 .
6 p. , Caption title. 24 cm..

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