TO 



A I'KIMKK <>F FORKSTKY. 



;ind is certain to he followed l>v the formation of tor- 

 rents. The danger is greatest when the soil has been 

 laid hare hy the browsing and the hoofs of gra/ing 

 animals, jiinong which sheep and goats are especially 

 destructive, or where the forest Moor has been burned 

 away. 





North Carolina. 



When these conditions are both present, as in parts 

 of the Sierra Nevada Mountains of California, of 

 the Cascade Range in Oregon, and in many other 

 part- of the We-t. the prosperity of the valleys is in 

 >erious danger. Fire and overgra/ing on the moun- 

 tains combine to endanger the future water supply 

 of irrigated <>r irrigable areas in the valleys below. 



