CHAPTER II 



THE THUNDERING HERD 



THE modest Anderson caravan had not 

 journeyed far into the Missouri Bad Lands, 

 at right angles to the old Oregon Trail, which 

 so many adventurers had followed before 

 and have since, before the signs of buffalo 

 became very plentiful, although the boys 

 did not at first recognize them. 



The first buffalo trail that they discovered 

 greatly astonished the boys and gave them 

 some idea of the immense numbers of bison 

 that must have traveled that way, to wear 

 it so deep in the soil. 



It was a well-defined path leading from 

 one feeding-ground to another, or perhaps 

 to the salt-lick, or to water. So many 

 hoofs had passed that way that the trail 



