Bul^SS, Forest Service U- S. Oept of Agriculture. 



104* 



103* 



PLATC I. 



102 



34' 



33' 



101* Longitude West 100* from. Greenwich 



Lowlands Beit ^^^ Cross timbers Belt / / \ Ked beds Belt 



Plains Belt 



6t-21.5s) x>Avera S e of ,0 r ears 

 V / 2135- Average annual 



Map Showing Silvical Belts and Rainfall. 



ANDREW 6 GRAHAM CO. PHOTC-UTHOGRAPHERS, WASHINGTON, 



ige annual rainfall of 21.55 inches 

 RECORDS OF RAINFALL 



