NE-SAW-JE-WON 



evidence during the glacial time, and wind, weather and man 

 have obliterated much of the record since. 



The Third Stage of Lake Maumee 



From this second or lowest stage of Lake Maumee, the 

 lake level was raised about twenty-five feet — almost to the 

 level of the Fort Wayne outlet — by a re-advance of the 



Grassmere I 

 635-640 I Lake Elkton 

 Elkf-on ((formerly Lundy) 

 3ei5-620 I 



Highest 5f Clair and Rouge 

 Lowest St Clair and 



Lake Erie 



Lake Erie.SdO-ssot^KS) 560i during 

 Low level dunng K(rkfield '-^^^ N, pissing 

 stage of Lake Algonquin 



FIGURE 6.— DIAGRAM SHOWING WATER LEVELS OF THE 

 VARIOUS STAGES OF LAKES IN THE ERIE BASIN 



FROM THE FIRST LAKE MAUMEE TO THE PRESENT LAKE ERIE. (OLDEST AT 



LEFT. BEACHES SUBMERGED BY LATER EXPANSION OF THE PONDED WATERS 



INDICATED BY CROSS-HATCHED PATTERN.) 



After Leverett and Taylor. 



glacier, which moved westward up the slope of the highlands 

 of the Thumb. The ice front finally rested along the east side 

 of the Imlay outlet channel and there built a moraine which 



