Levels-of-growing-stock cooperative study on Douglas-fir.
By: by Alan B. Berg and John F. Bell.
Contributors: Bell, John F.
Series: Research paper PNW -- 257.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1979
Place of publication: Portland, Or
Language: eng
Number of pages: 29
Subjects: Douglas fir; Douglas fir -- Thinning
Other titles: Levels of growing stock cooperative study on Douglas-fir.; Hoskins study, 1963-1975.