A portable vacuum for collecting arthropods from drop cloths
By: H.G. Paul and R.R. Mason.
Contributors: Mason, Richard R.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note PNW -- 421.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1985
Place of publication: [Portland, Or.?]
Language: eng
Subjects: Arthropoda; Vacuum
Notes: Caption title.

Distributed to depository libraries in microfiche.

"March 1985."