00484nam a2200157 a 450000100080000000500110000800800410001910000160006024500610007626000840013730000090022149000430023065000190027365000170029265000170030912926401999-08-24       1959    bl uuuu     u0uu1 u    #d1 aHART, R. C.  aSilvical characteristics of Balsam fir (Abies balsamea).  aUpper Darby: USDA. Forest Service, Northeastern Forest Experiment Stationc1959  a22p.  a(USDA. For. Serv. Station Paper, 122).  aAbies balsamea  asilviculture  aSilvicultura