Umpqua Working Circle, Umpqua National Forest, Region 6, Oregon, 1961.
Contributors: United States. Forest Service. Pacific Northwest Region.
Publisher: U.S. Forest Service, Region 6
Published: 1961
Place of publication: [Portland, Or.]
Language: eng
Subjects: Forest management -- Oregon.; Umpqua National Forest (Or.).
Other titles: Timber management plan.
Notes: Added title: Timber management plan.

"Approved 9/29/61."

Amendment, 1962, inserted.