00285 a2200097 4500082001600000245001000016260006800026300002000094440003300114650004000147 a630.58bTRE aTrees aWashingtonbUnited States Department Of Agriculturec1949g1949 axiv,943p.c23cm aThe yearbook of agriculture  aAGRICULTURE AND RELATED TCNOLOGYIES