Douglas County, Oregon: Potential Economic Impacts of a Changing Timber Resource Base, Issues 177-185
Bohdan Maksymiuk · David R. Darr · Gary E. Daterman · Jack Ward Thomas · M. A. Radwan · R. G. Mitchell · Richard J. Barney · Thomas Daniel Fahey · W. Y. Pong
Jan 1974 · Pacific Northwest Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service