USE PROM U. S. OeOLOGICAL SURVEV 



EXPLANATION 



n 



Califorma Microphyll Desert- 

 Great Basin Microphyll Deaert. 



VEGETATION AREAS OF THE UNITED STATES 

 Compiled by Forrest Shheve. 



Scale 1; 9.600,000. 



Texas Senii-Desert. 



Arizona Succulent Desert. 

 Texas Succulent Deaert. 



Pacific Setni-Desert. 



Desert-Grasaland Transition. 



Graaaland — Deciduous-Foreat. 

 Triinidtioti . 



UeoiduouB Forest. 



SouthcaHtcrn EverRreen- 

 Deciduoua Tranaitioo Foreat. 



□ 



Southeastern Meaophytic 

 Evergreen Forest. 



Nortlipastorn EverRreen 

 Deciduoufl Transition Foreat. 



Northern Mesophytic 

 EvomrreenForcat. 



Western Xerophylic 

 Evcrcrc^n Fnreflt. 



Northweatern Hygrophytic 

 EverKreen Foreat. 



CD 



Alpine Summits, 



Swampa and Marshes. 



