DATA OBTAINED BY GRAZING RECONNAISSANCE 



317 



9. Woodland — Juniper and pinon. A cover so designated 

 supports a variety of vegetation composed of grasses, weeds, and 

 browse in which trees other than aspen and large conifers pre- 

 dominate (Fig. 120). 



10. Aspen. This type embraces grasses, weeds, and browse, 

 or a cover of any one of these, in a true aspen type (Fig. 121). 



Fig. 121. — the TRUE ASPEN TYPE (TYPE lo), WITH THE CHARACTERISTIC 

 UNDERGROWTH OF GRASSES, BROAD-LEAVED HERBS, AND BROWSE. 



Obviously various combinations of vegetation that make up 

 the cover are not strictly included in the ten types enumerated. 

 For this reason subtypes are recognized. In such instances the 

 initial letter of the Latin or common name of the predominating 

 species is recorded as the type proper is mapped. 



The ten types are represented on the final maps by colors and 

 symbols; but, owing to the inconvenience of carrying crayons in 

 the field, numbers from i to 10, syrabolic of the type colors, are 

 employed to designate the types noted in the field mapping. The 

 colors and symbols used for the types above enumerated are 

 (i) yellow, (2) orange, (3) red, (4) olive-drab, (5) brown, 



