SOIL AND 1 QUALITY I. (out of 4 qualities). 

 SITUATION I (the best). 



THE YIELD PER ACRE OF DOUGLAS FIR 



[A Provisional Table.* 



-.J 



* Based partly upon investigations made by the author in America. 



t Only timber exceeding 3 inches in diameter under bark has been included. 



1 Felled thinnings have been valued at the same price per foot as the " standing " timber left after a thinning. 



g " Tops " below 6 Inches (q.g.) at 8d. per cub. foot. 



