either made a merry, tiny 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 circumference. The crooked 

 and almost encircling grass-grown dam was six 

 feet high, and four hundred feet long. In its 

 upper edge stood the main house, which was 

 eighty 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 

 diameter 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 



54 



