Interim definitions for old-growth Douglas-fir and mixed-conifer forests in the Pacific Northwest and California
By: Old-Growth Definition Task Group
Contributors: Old-Growth Definition Task Group; Pacific Northwest Research Station (Portland, Or.)
Series: Research note PNW -- 447
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1986
Place of publication: [Portland, Or.]
Language: eng
Subjects: Douglas fir -- Growth -- Northwest, Pacific; Douglas fir -- Growth -- California; Conifers -- Growth
Notes: Caption title

Distributed to depository libraries in microfiche

"July 1986."

Bibliography: p. 7