OUR FORESTS 



15 



the Great Plains and the Sierra Nevada, from Mexico to Canada. 

 They are broken by many treeless valleys or plateaus. Because of 

 rough topography and inaccessibility to transportation routes, it is 



likely that forests of parts of this region, together with the less 

 accessible of the mountain forests near the Pacific coast, will be the 

 last to be cut. Many forests in the Rocky Mountain region, however, 



