Table 2 . --Precipitation zones for eadh study area 



Precipitation : Average station : Zonal : Vegetal 

 zone : elevation : I10/I2 • type 



DAVIS COUNTY EXPERIMENTAL WATERSHED 



1 4,350 1.87 Oakbrush 



2 6,930 1.94 Aspen-fir^ 



3 8,380 2.30 Spruce-fir^ 



4 8,760 2.49 Spruce-fir 



GREAT BASIN EXPERIMENTAL AREA 



1 5,550 2.35 Pinyon- juniper 



2 7,650 3.16 Oakbrush 



3 8,850 1.73 Aspen-fir 



4 9,850 2.25 Spruce-fir 



^The lower limits of this precipitation zone are in the 

 oakbrush type. 



^The lower limits of this precipitation zone are in the 

 aspen-fir t>'pe. 



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