428 THE VERMILION IRON-BEARING DISTRICT. 



8, 9, 10, T. 63 N., R. 10 W. The mahi moraine has been traced by con- 

 necting np these heavy drift deposits. Its distribution can be seen in 

 fig. 23. In the eastern portion of the area the course of the moraine is 

 essentially that as given in Elftman's paper, referred to above, with but a 

 few minor changes. This main moraine is not, however, the only moraine 

 which is present in this district. There are several other areas which have 

 been observed in which a clearly developed kettle moraine topography is 

 present. Such a series of areas have been connected extending from near 

 the south shore of Vermilion Lake to the north of east, running a]3proxi- 

 mately along the town line between Ts. 61, 62 N., Rs. 14, 15 W., and 

 then extending to the northeast across Eagle Nest lakes into the western 

 portion of T. 62 N., R. 13 W. This small moraine is for the greater part of 

 its extent nearly parallel with the main Vermilion moraine. In the east, 

 however, it ajsproaches the moraine, and finally coalesces with it. It is 

 evidently a moraine representing one of the stages in the recession of this 

 lobe during which this extreme southwestern portion of the lobe in the 

 lower land retreated relatively much more rapidly than did the southeast- 

 erly margin of the ice. Still another stage in the recession is represented 

 by morainal deposits extending from north of Armstrong Baj^ of Vermilion 

 Lake northeast through the northern portion of T. 62 N., R. 14 W., and the 

 southern portion of T. 63 N., R. 13 W., south of Burntside Lake. Still 

 other deposits were observed on Birch Point and on Pine Island, in Ver- 

 milion Lake. These could probably be traced to the northeast of Vermilion 

 Lake, but no S23ecial work having been done in this area the continuation 

 of these deposits is not known. Other terminal moraine deposits north of 

 the main Vermilion moraine are known to occur in the southern portion of 

 T. 64 N., Rs. 9, 10 W.; in the southwestern portion of T. 64 N., R. 9 W., 

 north of Moose and Newfound lakes; and in the southern part of T. 66 N., 

 Rs. 5 and 6 W., to the northwest of West Grull Lake. 



Over the remainder of the district the drift is comparatively thin, and 

 in fact in places only a few bowlders on the tops of the hills with occasional 

 striae and the rounded outline of the hills indicate the former presence of the 

 ice sheet. The thinness of this drift is especially noticeable in the eastern 

 part of the district. In the western portion of the district the general drift 

 mantle is much thicker than it is in the eastern portion. The general eifect 

 of this drift is, of course, to cover all of the rocks, and in agreement with 



