Title: Recurrent outbreak of the Douglas-fir tussock moth in the Malheur National Forest a case history /
Authors: Mason, Richard R.; Pacific Northwest Research Station (Portland, Or.)
Publisher: U.S. Dept. of Agriculture, Pacific Northwest Research Station,
Year: 1998
Subjects: Douglas fir tussock moth Oregon Malheur National Forest.; Insect populations Oregon Malheur National Forest.; Malheur National Forest (Or.) Environmental conditions.