Silvicultural considerations associated with partial cutting and thinning operations on Douglas-fir stands
By: by Howard P. Wingle.
Published: 1957
Language: eng
Number of pages: 49
Subjects: Douglas fir -- Thinning.; Douglas fir -- Harvesting.; Forest productivity.
Notes: Typescript.

"A paper submitted to Oregon State College in partial fulfillment of the requirements for the degree of M.F."

Bibliography: leaves 42-43.