25 



Sample Plot No. 2 {Government Plot No. 5) — Concluded. 



Average height, 1905, 50 feet. 

 Average height, 1914, 55 feet. 



Summary of Data. 



Total board feet to acre, 1905, 

 Total board feet to acre, 1914, . 

 Total gain in board feet per acre. 

 Current annual gain in board feet per acre. 



19,640 



26,742 



7,102 



789 



