74 INSTRUCTIONS TOR MAKING FOREST SURVEYS, ETC. 



Timberland Continued. 



2,000 to 5,000 board feet per acre Parts. 



Green ink 1 



Water 3 



5,000 to 10,000 board feet per acre green ink. 



10,000 to 25,000 board feet per acre- 

 Brown ink 3 



Green ink 3 



Yellow ink 



25,000 to 50,000 board feet per acre- 

 Brown ink 4 



Green ink 



Yellow ink 1 



Water 7 



Woodland, cord wood, etc.: 



Green ink 1 



Yellow ink 2 



Water 8 



Chaparral or brush: 



Brown ink 1 



Water . . 5 



Sagebrush: 



Brown ink 3 



Yellow ink 



Orange ink 



Water 10 



Grassland, parks, etc.: 



Yellow ink 



Water 1 



Barren land: 



Black ink 1 



Water 20 



Burn, forest cover established: 



Green ink '. 



Yellow ink ' 



Water... 8 



