dense forests once stood and the sparsely populated areas are often associated 

 with arid plains. Where much forest remains, however, population is 

 usually sparse. 



Figure 1. — How could a person tell from an airplane whether he was passing over a softwood 

 or hardwood forest? A, Typical softwood or coniferous forest; B, typical hardwood or 

 deciduous forest. 



F-29149! F-228443 



s?*T 



