FORESTRY LESSONS ON HOME WOODLANDS. 



Oregon, State Board of Forestry, Salem. 



Pennsylvania, Department of Forestry, Harrisburg. 



Rhode Island, Commissioner of Forestry, Chepachet. 



South Dakota, Forest Supervisor, Custer. 



Tennessee, State Geological Survey, Nashville. 



Texas, Agricultural and Mechanical College, College Station. 



Vermont, Department of Agriculture, Montpelier. 



Virginia, State Forester, University. 



Washington, State Board of Forest Commissioners, Olympia. 



West Virginia, Forest, Game, and Fish Department, Philippi. 



Wisconsin, State Conservation Commission, Madison. 



DOYLE RULE FOR SCALING LOGS. 1 



37 



To find the number of board feet in a log without using the above table 

 according to the Doyle rule : Deduct 4 inches from the diameter of the smaller 

 end, square one-fourth the remainder, and multiply the product by the length 

 in feet. 



1 For information regarding the advisability of using different log scales see U. S. 

 Dept. Agr., Farmers' Bui. 715. 



