Timber resource statistics for Oregon /
Sally Campbell, Paul Dunham, and David Azuma.

APA Citation

Campbell, S. J., Azuma, D. L., Dunham, P. A. (2004). Timber resource statistics for Oregon. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

MLA Citation

Campbell, Sally J, David L Azuma, and Paul A Dunham. Timber Resource Statistics for Oregon. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2004.

Warning: These citations may not always be complete (especially for serials).