Specific gravity variation with height in Black Hills ponderosa pine
By: Donald C. Markstrom and Vern P. Yerkes.
Contributors: Yerkes, Vern P.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 213.
Publisher: Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Ponderosa pine -- Black Hills (S.D. and Wyo.); Forests and forestry -- Black Hills (S.D. and Wyo.) -- Mensuration
Notes: Caption title.

Includes bibliographical references (p. 4).