An instance of lightning damage and infestation of ponderosa pines by the pine engraver beetle in Montana
By: Richard F. Schmitz and Alan R. Taylor.
Contributors: Taylor, Alan R. 1932-; Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 88.; Research note INT -- 88.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station
Published: 1969
Place of publication: Ogden, Utah
Language: eng
Subjects: Bark beetles; Ponderosa pine -- Diseases and pests -- Montana; Ponderosa pine -- Wounds and injuries -- Montana; Lightning
Notes: Caption title.

Includes bibliographical references (p. 8).