00358nam0a2200121i004500001000500000005001700005035001500022041000800037100001800045245005400063260009300117300002600210381420260715154638.0  atr986028780 aeng1 aHall, Alfred.10aUtilization of Douglas - fir Bark /cAlfred Hall.  aPortland :bPacific Northwest Forest and Range Experiment Station Forest Service,c1971.  a[2], 138 s. ;c27 cm.