Bark beetles in California conifers are your trees susceptible?

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Bibliographic Details
Imprint:[San Francisco, Calif.] : Forest Service, United States Department of Agriculture, Pacific Southwest Region, 2015.
Description:1 online resource (12 pages) : color illustrations
Subject:Bark beetles -- California.
Conifers -- Diseases and pests -- California.
Forest health -- California.
Bark beetles.
Conifers -- Diseases and pests.
Forest health.
Format: E-Resource U.S. Federal Government Document Book
URL for this record:
Hidden Bibliographic Details
Varying Form of Title:Forest health protection--California
Other authors / contributors:United States. Forest Service. Pacific Southwest Region, issuing body.
Notes:"February 2015."
Description based on online resource; title from PDF title page (viewed July 19, 2017).
Other form:Print version: Bark beetles in California conifers
GPO item no.:0082-A-05 (online) classification:A 13.105/4:R 5-PR 033/2015