Relationship of needle surface area to needle volume in ponderosa pine and lodgepole pine
By: by William Lopushinsky.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research note PNW -- 126.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1970
Place of publication: [Portland, Or.?]
Language: eng
Subjects: Ponderosa pine.; Lodgepole pine.; Needles (Botany) -- Measurement.
Notes: Cover title.

"August 1970."

Includes bibliographical references.