24 Indiana University Studies 



Eagle (Winona) Lake (August 8, 1912) 











Carbon 



Carbon 





Tempera- 



Oxygen 



Free 



dioxide 



dioxide 



Depth in meters 



ture 



cc. per 



carbon 



as normal 



as 





Centigrade 



liter 



dioxide 



carbonates 



bicarbonates 



Surface 



21.9 



4.59 



-2.03 



32.36 



30.33 





21.9 



6. 



-9.04 



33.11 



24.07 



4 meters 



21.1 



5.95 



-7.58 



32.86 



25.28 



6 meters 



20.5 



4.62 



.252 



32.99 



32.99 



8 meters 



14.4 



1.67 









10 meters 



11.6 



2.24 



2.2 



32.36 



32.36 



15 meters 



9.1 



2.42 









20 meters 



8.5 



1.15 









23 meters 



8.3 



1.87 



8.09 



35.39 



35.39 



Yellow Creek Lake (August 22, 1914) 



25.5 



5.57 



7.07 



27.04 



24.4 



5.59 



5.05 



27.30 



23.3 



3.09 



2.32 



29.32 



12.7 

 8.8 



3.12 



0. 



29.57 



7.7 



1.82 



7.34 



36.90 



7.2 









7.2 



1.65 



12.08 



37.92 



Surface . . . 

 2 meters 

 4 meters 

 6 meters 

 8 meters 

 10 meters 

 15 meters 

 20 meters 



Silver Lake (July 18, 1914) 



Surface . . . 



2 meters. 



4 meters. 



6 meters. 



8 meters. 

 10 meters. 



25.5 



25.5 



21.9 



16.1 



13. 



13. 



.75 



32 



6 



31.85 



3.03 



32 



10 



29.07 



4.02 



35 



39 



31.37 



3.79 



41 



20 





1.23 



46 



00 





6.23 



48 



63 





Pike Lake (August 17, 1912) 



Surface 



26 



1 



6 



24 



5.56 



33 



36 



2 meters 



26 



1 



6 



08 





33 



11 



4 meters 



23 



3 



2 



49 



9.01 



36 



65 



6 meters 



16 



1 





17 



8.84 



35 



13 



8 meters 



10 







0 



12.89 



40 



95 



10 meters 



8 



8 





0 



16.93 



46 



76 



