GLACIAL LAKES— TAYLOR. 



311 



its south and west shores and caused it to fall away from the northern 

 and eastern shores. 



LAKE X. 



When the retreating ice opened a passage eastward around the 



north side of the Adirondack Mountains to the basin of Lake Cham- 

 plain (fig. 6, ice border at position I) the outlet at Rome was aban- 



