. A case study of a Douglas-fir tussock moth outbreak and stand conditions 10 years later. Douglas-fir tussock moth; Tree declines California; Trees Diseases and pests California. 11. 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 Wickman, Boyd E. cn; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ); United States. Forest Service. cn. Portland, Or. : Pacific Northwest Forest and Range Experiment Stati


. A case study of a Douglas-fir tussock moth outbreak and stand conditions 10 years later. Douglas-fir tussock moth; Tree declines California; Trees Diseases and pests California. 11. 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 Wickman, Boyd E. cn; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ); United States. Forest Service. cn. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture, Forest Service


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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity