494 Forestry Quarterly 



for it requires secure anchorage and is not adaptable to the 

 "portable mill." The second suggestion, and this applies to those 

 sections where waterpower is available, is the substitution of the 

 turbine for the engine. Both of these suggestions necessitate 

 permanence, yet the reduced cost of operation may more than 

 offset this disadvantage. On the other hand, there are in the 

 Eastern United States many small permanent mills, to which 

 either or both of these suggestions might be profitably applied. 

 Certainly, the efficiency is high and the operating expenses low^ 

 two factors which demand consideration. 



