Table 5. — Temperatures C° of Lake Michigan off Waukegan, 

 Illinois, 1930 and 1931. Station (Sta. ) numbers un- 

 der 100 were occupied in 1930; those between 100 and 

 200 were occupied in 1931. Depths (D) are recorded 

 in meters. Locations of the stations are shown in 

 table 1 and on the map. Thermoclines are indicated 

 between two horizontal lines. 



[C = cruise; D = maximum depths; S = surface] 



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