Ecological characteristics of old-growth Douglas-fir forests
By: Jerry F. Franklin [and seven others]
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: General technical report PNW -- 118; General technical report PNW -- 118.
Publisher: United States Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1981
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 48
Subjects: Douglas fir; Forest ecology
Notes: Title from title screen (viewed Mar. 18, 2014).

"February 1981."

Includes bibliographical references (pages 45-48).