27 



Sample Plot No. 3 {Government Plot No. 6) — Concluded. 



Average height, 1905, 60 feet. 

 Average height, 1914, 65 feet. 



Summary of Data. 

 Total board feet per acre, 1905, . 

 Total board feet per acre, 1914, . 

 Total gain in board feet per acre, 

 Current annual gain in board feet per acre, 



10,200 

 1.133 



