RANGE MANAGEMENT ON THE NATIONAL FORESTS. 



63 



s 



whole streteh of country in one grazing period without control of 

 stock between the boundary and the sky line is ineffective; There 

 should be a division to provide units of management upon which 

 grazing conditions are nearly uniform. Identical or even approxi- 

 mately identical conditions can not be expected, because the low 



^[Allotment 

 \&ounc/a.ry 



JSu bdi 'vis/on 

 '~*\Soundary 



H Weed Range 



Aspen Range 



Browse Range, 



77'mJ?er ffange. 



Sage Brush Range 



Waste /fange. 



Grazing f?6e Deferred 

 'rf/7 /)ffer Seed Mafar/fy 



Su6d/Ws/o/? /Vo. /. /S/6 



" B. J9/7 



" 3 _/S/8 



" 4.......JS/S 



Fig. 4. — Range type classification and order of deferred grazing for a summer sheep allot- 

 ment on the Caribou National Forest. 



grazing capacity of the range in general will not justify the quantity 

 of fencing necessary to control the stock on small areas. The first 

 main division between spring and summer range, however, is essen- 

 tial and should be warranted, as only large areas are involved. It 

 is worth thinking about and planning for, even if adequate control 

 of stock can not be secured at once. 



