A comparison of site curves for Douglas-fir
By: by Robert O. Curtis.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research note PNW -- 37.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1966
Place of publication: Portland, Or
Language: eng
Subjects: Douglas fir -- Measurement.; Forests and forestry -- Measurement.
Notes: Caption title.

"April 1966."

Includes bibliographical references (p. 7-8).