-
By: Carolin, V. M. (Valentine Mott), - Thompson, Clarence Garrison, - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Edition:
Publication info: [Portland, Or.], Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967
Volume: no.38
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects: Bacillus thuringiensis Control Hemlock looper
BHL Collections:
-
By: Buffam, Paul E. - United States. Forest Service. - United States. Forest Service. Pacific Northwest Region.
Edition:
Publication info: Portland, Or, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, U.S.D.A. Forest Service, 1964
Volume: 1964
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects: Biological control Diseases and pests Forest insects Hemlock looper Washington (State) Western hemlock
BHL Collections:
-
By: Buffam, Paul E. - United States. Forest Service. - United States. Forest Service. Pacific Northwest Region.
Edition:
Publication info: Portland, Or, Division of Timber Management, Insect and Disease Control Branch, U.S. Forest Service, Pacific Northwest Region, 1963
Volume: 1963
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects: Biological control Diseases and pests Forest insects Hemlock looper Washington (State) Western hemlock
BHL Collections:
-
By: Buffam, Paul E. - United States. Forest Service. - United States. Forest Service. Pacific Northwest Region.
Edition:
Publication info: Portland, Or, Insect and Disease Control Branch, Division of Timber Management, Pacific Northwest Region, U.S.D.A. Forest Service, 1964
Volume: 1964
Series:
Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Subjects: Biological control Diseases and pests Forest insects Hemlock looper Washington (State) Western hemlock
BHL Collections: