GEOLOGY AND SCENERY OF NORTHEAST COAST 125 
tains themselves swelled the volume of that trunk stream 
of ice. For fifty miles the latter glacier, like a broad, deep 
river, wound its way beneath the grand cliffs of the Torn- 
gats until it debouched in the open Atlantic. So it 
was with many other cross-valleys of the range; the 
Torngats stood like a lofty, turreted wall which the ice- 
IDYUTAK 
Sy 3400/ 
KUTYAUTAK 
3300/ 
y Y/ Y) : 
HM 
Fie. 18. 
Section across the south arm of Nachvak Fiord. Height (above sea-level) 
and depths (below sea-level) in feet. 
cap, thick as it was, could not surmount, but could only 
partially conquer by the easy routes of the passes. In 
all probability the tops of the Kaumajets and of the 
Kiglapait Mountains likewise stood well above the sur- 
face of the ice which must perforce flow round them in its 
journey to the sea. 
The glacial occupation of the Torngat valleys led to ex- 
ceptionally important changes in their pre-Glacial form, 
and to that modification we owe some principal elements 
in the impressive landscapes of the long inlets. These 
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