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By: Watson, D. O. T. (David Oliver T.), - Volney, Winston Jan Anthony, - Boxall, Peter C. (Peter Charles) - Alberta. Alberta Environmental Protection. - Manning Diversified Forest Products Research Trust Fund.Edition:Publication info: [Manning, Alta.], Alberta Environmental Protection, June 1997Volume:Series:Holding Institution: University of Alberta LibrarySubjects: Alberta Forest management Hawk Hills Region Hawk Hills Region (Alta.) Spruce budworm White spruceBHL Collections: