The study upon which this report is based was made by the 

 Forest Service in cooperation with the State of Maine under 

 the direct supervision of Frank E. Mace, Land x\gent and For- 

 est Commissioner, and O. T. Swan, In Charge, Office of Prod- 

 ucts, .United States Forest Service. The statistics were com- 

 piled from data collected in the spring of 19 12, covering a 

 period of one year from January i to December 31, 191 1, in- 

 clusive. By the terms of the cooperative agreement, the State 

 is authorized to publish the findings of the investigation. 



