Longer rotation Douglas-fir
Subtitle: a management strategy to meet aesthetic and timber needs
By: by William Louis Voelker.
Published: 1973
Language: eng
Number of pages: 17
Subjects: Douglas fir.; Forest management -- Social aspects.
Notes: Typescript (photocopy).

"A paper submitted to Oregon State University in partial fulfillment of the requirements for the degree of Master of Forestry, 1973."

Bibliography: leaves 16-17.