grove far up the slope, about a quarter of a mile 

 distant from the main house, and perhaps a hun- 

 dred and twenty feet above it. In this grove I 

 cut three notches in the trunks of several trees 

 to enable me to identify them whether in the 

 garnered pile by a house or along the line of 

 transportation to it. 



The grounds of this colony occupied several 

 acres on a terraced, moderately steep slope of a 

 mountain moraine. Along one side rushed a 

 swift stream on which the colonists maintained 

 three but little used ponds. On the opposite side 

 were the slope and summit of the moraine. There 

 was a large pond at the bottom, and one or two 

 small ponds, or water-filled basins, dotted each 

 of the five terraces which rose above. The entire 

 grounds were perforated with subterranean pas- 

 sageways or tunnels. 



Beaver commonly fill their ponds by damming 

 a brook or a river. But this colony obtained most 

 of its water-supply from springs which poured forth 

 abundantly on the uppermost terrace, where the 

 water was led into one pond and a number of 

 basins. Overflowing from these, it either made a 



85 



