110 N. H. WINCHELL — GLACIAL LAKES OF MINNESOTA 



of the state, have brought vividly to mind some of the general physical 

 features which have not been grouped nor discussed in their ensemble in 

 any of the chapters of that report. Among these data, which are scat- 

 tered through the volumes of that report, none stand out more boldly 

 than those i)ertaining to the drift. After the moraines the glacial lakes 

 are perhaps tlie most remarkable and most interesting phenomena among 

 the drift features. 



In the course of the geological survey most of these lakes have been 

 referred to — at least in respect to some of their features — and some of 

 them have been carefully examined and described. Most of them, how- 

 ever, have not been mapped nor named. The attempt is here made to 

 bring them into one general view, to give each a brief description, and 

 to show its location and approximate size on the accompanying map, 

 plate 12. 



Beginning with the southern part of the state, where the first of these 

 lakes must have been formed, the}' will be enumerated progressively 

 toward the north approximately in the order of their date. The glacial 

 lakes here named reach 26 in number. It is certain that several others 

 might be named which apparently existed incidentally near the outer 

 limits of the Wisconsin ice-lobe, both in the southwestern and in the 

 southeastern part of the state. Reference will be made to some of these 

 in a subsequent paragraph. Excluding such extra-limital lakes, the fol- 

 lowing will here be described : 



Outlet above 

 Name. the sea. 



Feet. 



1. Lake Minnesota 1150 



2. Lake Undine 1020-1070 



?>. Lake Farilmilt 1160 



4. Lake Cottonwood 1075 



5. Lake Canby 1200 



6. Lake Antelope 1 175 



7. Lake Shakopee 875 



8. Lake Hamline 940 



9. Lake Malitomedi .' 950 



10. Lake Shafer 975 



1 1. Lake Agassiz 1050 



12. Lake Issati 1266 



13. Lake Aitkin 1205 



14. Lake Saint Louis 1 135 



15. Lake Nemadji 1070 



16. Lake Duluth (or Western Superior Glacial lake) 1055 



17. Lake Nicollet 1390 



18. Lake Beltrami 1400 



19. Lake Tiiompson 1200 



20. Lake Big Fork 1300 



