Table 6. — Acre rates for hydrologic outputs by 

 ecogroup and ownership, 1970 



Ownership by 

 ecogroup 



Water 

 yield 



Quality 

 water 



Storm 

 runoff 



Sedi- 

 ment 



National Forest 

 System 

 Western Range_ 

 Western Forest. 



Great Plains 



Eastern Forest _ 



Acre 



feet 



per year 



0.65 

 1.00 

 0.04 

 1.24 



Acre 



feet 



per year 



0.64 

 0.96 

 0.02 

 1.24 



Inches 

 per acre 

 per year^ 



0.31 

 0.80 

 0.88 

 0.90 



Tons 

 per acre 

 per year 



3.10 

 0.36 

 0.76 

 0.01 



Weighted 

 average 



0.90 



0.88 



0.40 



1.17 



Other Federal 

 Western Range_ 

 Western Forest. 



Great Plains 



Eastern Forest _ 



0.11 

 1.10 

 0.04 

 1.16 



0.11 

 1.06 

 0.02 

 1.16 



0.26 

 0.62 

 0.79 

 2.94 



3.34 

 0.58 

 0.76 

 0.05 



Weighted 

 average 



0.21 



0.21 



0.41 



2.95 



Table 6. — Acre rates for hydrologic outputs by 

 ecogroup and ownership, 1970 — Continued 



Ownership by 



Water 



Quality 



Storm 



Sedi- 



ecogroup 



yield 



water 



runoff 



ment 





Acre 



Acre 



hiches 



Tons 





feet 



feet 



per acre 



per acre 





per year 



per year 



per year^ 



per year 



Non-Federal 











Western Range. 



0.25 



0.22 



0.38 



2.08 



Western Forest. 



1.23 



1.17 



0.62 



0.73 



Great Plains 



0.08 



0.03 



0.71 



1.14 



Eastern Forest _ 



1.24 



1.10 



1.36 



0.47 



Weighted 











average 



0.71 



0.62 



0.91 



1.03 



All ownership 











Western Range. 



0.24 



0.23 



0.32 



2.74 



Western Forest. 



1.10 



1.05 



0.44 



0.52 



Great Plains 



0.08 



0.03 



0.72 



1.12 



Eastern Forest _ 



1.24 



1.11 



1.37 



0.43 



Weighted 











average 



0.65 



0.59 



0.76 



1.38 



^ Runoff expected from a 2-year 2-day storm. 



^Runoff expected from a 2-year 2-day storm. 



Figure 21. — Quality water, scenic beauty, and clean air express high quality environment. 



F— 402627 



35 



