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By: Copes, Donald L. - Randall, William K. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)Edition:Publication info: [Portland, Or.?], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1983]Volume: no.406Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Forest machinery Seed orchards Seeds Trees United StatesBHL Collections:
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By: Spitzenberg, G. KEdition: 2. Aufl.Publication info: Berlin, P. Parey, 1898Volume:Series:Holding Institution: University of Toronto - Gerstein Science Information CentreSubjects: Forest machinery TillageBHL Collections:
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By: Tietz, John G. - Equipment Development Center (Missoula, Mont.)Edition:Publication info: Missoula, Mont, U.S. Forest Service, Equipment Development Center, 1971Volume: no.1553Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Conifers Forest machinery Pine cones Seeds Trees United StatesBHL Collections: