140 



THE GUIDE TO NATURE. 



point of a great and immediate mining 



is an adventurous tale of a perilous trip 

 rush, and also describes the best big up rushing glacial streams in a motor 



It boat ; of travel with a pack trai 1 over a 



game country left in North America. 



Copyright, 1007, by Harper and Brothers. Copyright, 1907, by F. A. Cook. 



THE TOP OF OUR CONTINENT. 

 The summit of Mt. McKinley, the highest mountain of North America. 



Altitude, 20,390 feet. 



