The effect of swinging and sorting with a skidder on yarding and loading efficiency in small diameter Douglas-fir
By: by John Charles McIntire.
Published: 1981
Language: eng
Number of pages: 71
Subjects: Logging, Skyline -- Equipment and supplies -- Cost effectiveness -- Case studies.
Notes: Typescript (photocopy).

"A paper submitted to Oregon State University in partial fulfillment of the requirements for the degree of Master of Forestry, 1981."

Bibliography: leaves 56-57.