29 
j PLANT PROVINCES 
, -— UA . 
LS A. Pd Eom G. Ouachita 
M E 2: a Ws p. P H. Ozark 
I Cho g X Blue Ridge L' Central Lowland 
d M ot D. Appalachian Valley J. Great Plains 
7A Tn Pi y ©. Appala K. Basin and Ran nge 
ms "MES Plate ay L. EM CEN 
7 o 50 100 90 300 4Q0MileS F. Interior Low Moun | 
190 — 290 400 — tQ0Kilometers E CNN Plateaus aes tee | 
] | > u P 
105 101 97 03 89 85 \ 8l 77 
S 
