- Additional Authors
- Description
- 11 p. : ill.; 28 cm.
- Series Statement
- Research note PNW ; RN-497
- Uniform Title
- Research note PNW. ; 497.
- Subject
- Note
- Caption title.
- Distributed to depository libraries in microfiche.
- "November 1990."
- Bibliography (note)
- Includes bibliographical references (p. 10-11).
- Call Number
- READEX Microfiche A 13.79:PNW-RN-497
- OCLC
- marcive25465022
- Author
Mason, Richard R.
- Title
Sampling Western Spruce Budworm larvae by frequency of occurrence on lower crown branches / R.R. Mason and R.C. Beckwith.
- Imprint
[Portland, Or. (319 S.W. Pine St., P.O. Box 3890, Portland 97208)] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1990]
- Series
Research note PNW ; RN-497
Research note PNW. ; 497.
- Bibliography
Includes bibliographical references (p. 10-11).
- Added Author
Beckwith, R. C.
Pacific Northwest Research Station (Portland, Or.)
- Gpo Item No.
83-B-4 (MF)
- Sudoc No.
A 13.79:PNW-RN-497
- Research Call Number
READEX Microfiche A 13.79:PNW-RN-497