Show VALUE OF WOOD PRESERVATION Denver Colo Aug of the most useful discoveries to lo timo tho wood using lining public Is the which have been heen developed for the decay o of wood Most of oC these methods depend upon the fact that tIme tho organisms can be time the same as any other Corms of plant pant or animal life substances In n a liquid form are In Injected inJected into Inlo the wood WOoi and so long as these remain the deca decay cannot a act actWood l Wood preservation Is especially In Colorado because of the tho rapid decay of most of time the native tim hers bers or of this region when used In con contact contact tact with tIme tho ground The Tho use or of these timbers becomes ever every year for or poles railway ties mine and amid many other such stich uses muses which expose the tho wood to The farmers o of the state also alBo use vast rast quantities of tim lIm lImber timber ber for fence once posts and ancl the Live of such stich posts would enable them to lo use native nathe wood for this purpose Instead of lm 11 cedar posts posh which oh command n a high prIce and become overy year oar more to lo obtain The rime substances aro amo used mused for or the of wood preservation creosote nil which Is a product distilled from the thc coal tar which Is produced In time the process o of making gas and coke coho and chloride of zinc n a white while powdered chemical which Is for Cor this hy by dissolving In hum water Creosote Is the most effective because It Is insoluble In iii water and Js Is not readily leached out of oC wood Zinc chloride Is oven more poisonous to lo the decor decay producing fungi than creosote hut It ItIs itis Is more readily dIssolved omit of time the wood and hence e Is not nol so lasting It ItIs Itis Is much than creosote how however ever and amid Is used mused here condl condi conditions are arc not too I The United Slat States os For sl Service gives attention to the o of from decRY decay tl n In regard to It Il and advice alviCe as to th tIme apparatus necessary and amid methods or of conducting such work will lie he I supplied on to lo the dis district forester MajestIc Building Den Dener er cr |