merry little cascade or went to lubricate a slide 

 on the short slopes which led to the ponds on 

 the terrace below. The waters from all terraces 

 were gathered into a large pond at the bottom. 

 This pond measured six hundred feet in cir- 

 cumference. The crooked and almost encircling 

 grass-grown dam was six feet high and four hun- 

 dred feet long. In its upper edge stood the main 

 house, which was eight feet high and forty feet 

 in circumference. There was also another house 

 on one of the terraces. 



After notching the aspens I spent some time 

 exploring the colony grounds and did not return 

 to the marked trees until forty-eight hours had 

 elapsed. Harvest had begun, and one of the 

 largest notched trees had been felled and re- 

 moved. Its gnawed stump was six inches in di- 

 ameter and stood fifteen inches high. The limbs 

 had been trimmed off, and a number of these lay 

 scattered about the stump. The trunk, which 

 must have been about eighteen feet long, had 

 disappeared, cut into lengths of from three to six 

 feet, probably, and started toward the harvest 

 pile. Wondering for which house these logs were 

 86 



