Douglas' squirrels cut Pacific silver fir cones in the Washington Cascades
By: by Jerry F. Franklin.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research note PNW -- 15.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1964
Place of publication: Portland, Or
Language: eng
Subjects: Tamiasciurus douglasii -- Washington (State); Tamiasciurus douglasii -- Cascade Range.; Tamiasciurus douglasii -- Food -- Washington (State); Tamiasciurus douglasii -- Food -- Cascade Range.; Abies amabilis -- Seeds -- Washington (State); Abies amabilis -- Seeds -- Cascade Range.; Pine cones -- Washington (State); Pine cones -- Cascade Range.
Notes: Caption title.

"September 1964."

Includes bibliographical references.