Research note PNW-(series). PNW-252. Field and laboratory techniques for evaluating hemlock sawfly infestations [with list of references]; by John S. Hard and Torolf R. Torgersen.
Publication Title:
Field and laboratory techniques for evaluating hemlock sawfly infestations [with list of references]; by John S. Hard and Torolf R. Torgersen.
Display Title:
Research note PNW-(series). PNW-252. Field and laboratory techniques for evaluating hemlock sawfly infestations [with list of references]; by John S. Hard and Torolf R. Torgersen.
Series Title:
Research note PNW-(series).
Corporate Agency Authors:
Forest Service and Agriculture Dept.
Sort Author:
Forest Service
Authors:
Hard, John S. and Torgersen, Torolf R.
Author place:
Washington, DC
Author zip:
20250
Date:
Aug. 1975
Publish Date ISO Format:
1975-08-01T00:00:00Z
Publication Start:
19750801
Publication End:
19750831
Corporate/Agency Author:
Forest Service
Publication month:
5
Publication year:
1975
SuDoc number:
A 13.79:PNW-252
Description:
23 p. il. 4°
Notes:
(Pacific Northwest Forest and Range Experiment Station, Portland, Oreg.)
Notes:
(Pacific Northwest Forest and Range Experiment Station, Portland, Oreg.) + Distribution Made by Issuing Office. • Sent to Depository Libraries. Item 83-B
Availability:
+ Distribution Made by Issuing Office. • Sent to Depository Libraries. Item 83-B