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Western spruce budworm
Western spruce bud worm
Colorado State Forest Service. United States. Forest Service.
2002
Colorado State Forest Service USDA Forest Service
Fort Collins, Colo. Golden, Colo.
Description based on online resource; title from PDF caption (viewed October 3, 2013)
Western spruce budworm Trees Diseases and pests
Colorado
1 online resource ([1] p.) : ill.
eng
UCSU20/3.2/W52/2002/INTERNET
http://hdl.handle.net/10176/co:12612
859337294
2013-11-05T20:50:25.516Z