Catalog Record: Sampling low density populations of the Douglas-fir tussock moth by frequency of occurrence in the lower tree crown | HathiTrust Digital Library

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Sampling low density populations of the Douglas-fir tussock moth by frequency of occurrence in the lower tree crown /
Richard R. Mason.

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Main Author: Mason, Richard R.
Language(s): English
Published: Portland, Or. : Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977.
Subjects: Douglas fir tussock moth.
Note: Cover title.
Physical Description: 8 p. : ill. ; 27 cm.
ISBN:
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