00694cam a22002417a 4500003000500000005001700005008004100022010000800063011000900071035000800080040000900088100002100097245006000118260006900178300001000247490002900257501003800286650002900324650002300353650002500376700002200401830002900423CHAP20220329132932.0971013s1973            r     00010     d  a397  a1369  a545  cCHAP00aFrank, Robert M.12aA silvicultural guide for spruce - fir in the northeast  aUpper Darby, Pa. :bNortheastern Forest Experiment Sation,c1973  a29 p. 0aTechnical reportv; NE-6  aEnc. con otros impresos similares14aPináceasxCrecimiento.14aPináceasxE.U.A.14aPinus pseudostrobus.0 aBjorkbom, John C.0 aTechnical reportv; NE-6