Baumgartner, David M. (David Michael) comp. and ed. Krebill, Richard G. 1936- comp. and ed. Arnott, James T. comp. and ed. Weetman, Gordon F. text -us Pullman Cooperative Extension, Washington State University 1985 monographic eng

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viii, 381 p. mapa., il., graf. comp. and ed. by David M. Baumgartner, Richard G. Krebill, James T. Arnott, Gordon F. Weetman AR-EsCIE 260804 20260804115935.0 698