Mortality of spruce and fir in Maine in 1976-78 due to the spruce budworm outbreak
By: Donald W. Seegrist and Stanford L. Arner.
Contributors: Arner, Stanford L.; Northeastern Forest and Range Experiment Station (Broomall, Pa.)
Series: Research paper NE -- 491.
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1982
Place of publication: [Broomall, Pa.]
Language: eng
Subjects: Spruce budworm -- Maine; Spruce -- Maine; Balsam fir; Red spruce decline -- Maine
Notes: Cover title.

"Canusa, Canada, United States Spruce Budworms Program."

"3 March 1981"--T.p. verso.

Bibliography: p. 3.