410 



ETHNOLOGY. 



The labor and time required to execute these engravings are sufficient 

 proof of their importance to the jieople who produced them. We at length 

 came to a rugged pile of detritus, where the wall had been broken down, 

 perhaps by the action of frost, and clambered up to the plain above, from 





whence I perceived the dark line of the ravine trending away in the 

 same general direction, till lost to view in a distance of about twelve or 

 fifteen miles, the markings doubtless extending all the way. The same 

 amount of markings roughly executed with a brush would involve the 

 labor of many painters for several months. The creek doubtless emptied 

 into the northern end of a lake, which we discovered soon after, which, 

 from a delicious manna found on its banks, we named Uoney Lake. 

 Being greatly interested in these historical records, I could not resist 

 the temptation of copying some of them. The party proceeded, and 



