Forecasting outbreaks of the Douglas-fir tussock moth from lower crown cocoon samples
By: R.R. Mason, D.W. Scott, and H.G. Paul.
Contributors: Scott, D. W.; Paul, H. Gene.; Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW -- RP-460.; Research paper PNW -- 460.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1993
Place of publication: Portland, Or. (333 S.W. First Ave., Portland 97208-3890)
Language: eng
Format: Microform
Number of pages: 12
Subjects: Douglas-fir tussock moth.; Douglas fir -- Diseases and pests -- Northwest, Pacific.
Other titles: Forecasting outbreaks of the Douglas fir tussock moth from lower crown cocoon samples.
Notes: Cover title.

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"March 1993."

Includes bibliographical references (p. 12).

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1993] 1 microfiche : negative.