Forest resources of the ponderosa pine region of Washington and Oregon
By: [by] R.W. Cowlin, P.A. Briegleb and F.L. Moravets.
Contributors: Briegleb, Philip A.; Moravets, F. L. 1899-1971.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Miscellaneous publication / United States Department of Agriculture -- no. 490; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 490.
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1942
Place of publication: Washington, D.C
Language: eng
Number of pages: 99
Subjects: Forests and forestry -- Oregon.; Forests and forestry -- Washington (State)
Other titles: Ponderosa pine region.
Notes: Contribution from Forest Service.

Investigation conducted by the Pacific Northwest forest and range experiment station. cf. p. ii.

Bibliography: p. 84.