Show use of substitute for wood tor for wood according S to tho the united states forest service are gaining ground the rate tit nt their uso use to Is increasing being conservatively placed tit cubic feet a your ono one half of tills la Is in the form of firewood wood substitutes says the forest sery fco in in a review of this aspect of tho the timber question have tended moro more to take up the normal expansion in demand for timber duo due to growth in population and industrial progress than to lessen the actual volume of wood consumption an had there not been other maor materials lais to take the place of wood it Is stated its consumption would havo increased at ai a much more rapid pace the introduction of substitutes de declares clates the review has often been directly dzieto due to the growing scarcity of the kinds of wood needed for particular purposes or to tho the rising cost of lumber in other cases it has been aj duo no tp to tho inherent superiority of the substitute wr a specific service or to ft 4 cheapened cost of production which enables it to supplant wood obviously substitutes that replace ono material with another inherently superior aro are economically advantageous those compelled by shor shortages thes and high prices are an economic hardship it Js Is also true that in chevery th ohp every very process of displacing wood from Us its former uso use for construction purposes the substitutes have involved new or enlarged urged uses of wood incidental to their employment furthermore as wood Is being re placed by other materials in one field new uses of wood constantly arise la in other fields the extensive use of pulp wood not only for paper products of various kinds but also for fiber containers ta tal gainers iners ners wallboard and similar forms forma of material und recently even tor for making artl artificial Acial boards Is one example the file chemical utilization of wood for the brodu production atlon of various products byproducts by Is still la in its ts infancy rincy the next few years may see the use of wood for tho the production of alcohol alco liol on a largo large scalo scale to take the place of gasoline wood Is already used for the manufacture of artificial OUR ropo rop and of carpets and other fabrics |