Show experiments experiment i indicates indic aies uit that round timbers of of the dines pinea of Engel mahri spruce duglas fir tamarack maracH td and western larch larea cah be re readily andily treated with preservatives but matthe tb Wat amilie the firs hemlow hem locRA ye redy vod alaa spruce ru ant in thea round do no not t take treatment treat men i t easily alis information tion should bp be 0 to persons who kaho contemplate bontemp con temp 11 preservative reser treatment of roud pales or mine props u ia i ip in union there is is strength andin t co operation cooperation there is profit s |