Weights and centers of gravity for red pine, white spruce, and balsam fir
By: H. M. Steinhilb, John R. Erickson.
Contributors: Erickson, John R.; North Central Forest Experiment Station (Saint Paul, Minn.)
Series: USDA Forest Service research paper NC -- 75.
Publisher: North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: [Saint Paul, Minn.]
Language: eng
Subjects: Red pine.; White spruce.; Balsam fir.; Forests and forestry -- Measurement.
Notes: Cover title.

Also issued online.