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College of Forestry 



neath the retorts. It is very likely that some time in the 

 future a definite market will be developed for the utilization 

 of vpood oils and M^ood tar. It can be made into creosote 

 but the process is so expensive that this form cannot compete 

 successfully with coal tar creosotes. 



The following table shows a comparison of values of 

 products per cord under conditions prevailing in 1914, and 

 those occurring in 1916. This table is based upon the average 

 of yields of acetate of lime, wood alcohol and charcoal per 

 cord. The values are those described before. The following 

 table shows that the operators were receiving more than twice 

 as much for their products under market conditions in the 

 Spring of 1916 than they did under those prevailing before 

 the war. 



Utilization of Products. 



The utilization of the products of the hardwood distillation 

 industry has been a great problem, especially since the 

 Federal law of 1907 went into effect. The greatest money 

 return is received from disposal of the acetate of lime and 

 the prices received for this product have undergone great 

 fluctuation. 



Altogether there are three primary products derived from 

 the process, namely, the raw pyroligneous acid, the wood gas 



