DATA SERIES 



133 



DATA SERIES VI— (Con(mued) 

 Statistics of Sample Acre Plots in Pure Even-aged Stands of Douglas Fir 

 Data collected by the U. S. Forest Service, 1909 and 1911, in Western Washington and 

 Oregon.* 



SITE QUALITY III 



Location and Plot Number 



Humphrey, Wash. 



235 



236 



237 



238 



239 



240 



241 



242 



243 



244 



246 



Morton, Wash., Handle Road 



253 



254 



255 



Columbia N. F., Racetrack Trail 



2 



3 



6 



Columbia N. F., Huckleberry Mt 



30 



29 



31 



32 



33 



38 



39 



40 



41 



Frank Brice Cr., Ore. 



145 



144 



135 



138 



137 



139 



* This table includes all species on the acre plot except cedar. The latter is considered 

 an understory. Douglas fir is the predominating species, with scattering hemlock, firs, spruce, 

 pines and hardwoods. All trees to 2 inches D.B.H. are tallied by inch classes. 



Board measure based on trees 12 imihes and over in diameter. 



FMPEH. 



