Cover of: Plan for the technical direction of the 1963 western hemlock looper control project in southwest Washington | Paul E. Buffam

Plan for the technical direction of the 1963 western hemlock looper control project in southwest Washington

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  • English
by
Division of Timber Management, Insect and Disease Control Branch, U.S. Forest Service, Pacific Northwest Region , Portland, Or
Western hemlock -- Diseases and pests., Western hemlock looper., Forest insects -- Biological control -- Washington (S
Statementby Paul E. Buffam.
ContributionsUnited States. Forest Service. Pacific Northwest Region.
The Physical Object
Pagination15 p., [5] leaves of plates :
ID Numbers
Open LibraryOL14206953M