-108 Eggleston — Glacial Remains near Woodstock, Conn. 



might be mentioned. Those lying near the edge of the ter- 

 race have been drained down its slope. Kettles also occur 

 among the knolls and kames of the more northern portion of 

 the map. Here occur two large examples (kettles (a) and (J?) 

 on the map), respectively sixteen and eight rods in length and 

 about twelve feet in depth. Both are now occupied by 

 swamps. Besides these there are a number of smaller kettle- 

 like hollows, together with the trench or run between the 

 main esker and its parallel ridge. It is probable the ice 

 lingered long in these hollows after the ridges were exposed. 

 Mention should also be made of a small, muddy pond to the 

 east near the border of the supposed arm of the glacial lake. 

 It appears to occupy another kettle-hole or trough between two 

 ridges. 



The above facts are the data at hand in this portion of the 

 Woodstock region for the support of the hypothesis stated 

 earlier in this paper, that the details of the topography of the 

 area are the combined result of a period of ice-advance fol- 

 lowed by one of retreat and consequent flooding and ponding of 

 the blockaded valley. 



State School of Mines, Golden, Colo. 



