Estimating sound seeds in ponderosa pine cones from half-face counts
By: J.M. Schmid, S.A. Mata, and J.C. Mitchell
Contributors: Mata, S. A; Mitchell, James C; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 459
Publisher: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1985
Place of publication: Fort Collins, CO
Language: eng
Subjects: Ponderosa pine
Notes: Caption title

"October 1985."

Bibliography: p. 3