. Timber trends in western Oregon and western Washington. Timber Oregon; Timber Washington (State). 30. Figure 15.—Age-class distribution of even-aged coniferous commercial forest area in the Douglas-fir subregion, by type-site and ownership classes, decade of 1950's. 119. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Division of Forest Economics and Marketing Research. cn; Pacific Northwest Forest and Rang
. Timber trends in western Oregon and western Washington. Timber Oregon; Timber Washington (State). 30. Figure 15.—Age-class distribution of even-aged coniferous commercial forest area in the Douglas-fir subregion, by type-site and ownership classes, decade of 1950's. 119. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Division of Forest Economics and Marketing Research. cn; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ) cn. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture
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