Fishery ludustries of the United States, Sect. TTT. 



OCEAN TEMPERATURE CHART No. 31 



By RICHARD RATHBUH- 



Isothermal lines connecting the serieS' of Light House Stations represented on Chart No. i, constructed for 



every five degrees of temperature, Fahrenheit, from 40 degrees to 80 degrees, bemg the 



means of five years observations, from i88r to 1885, inclusive. 



z 

 < 



u. 

 O 



ID 



o 



Q 

 O 

 O 



LU 



Q. 



< 



o 



o 



± 



cc 

 o 



>- 



u 



z 



z 



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z 



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(ISSTTES III 1886.) 



STATIONS 



Petit Manan Island 

 Mount Desert Rock 

 Matinicus Rock 

 Seguin Island 

 Boon Island 

 Thatcher's Island 

 Pollock Rip L. S. 

 Nantucket N. Si Shoal L S. 

 Vineyard Sound L S. 

 Brenton's Reef L. S. 

 Block Island 

 Fire Island 

 Sandy Hook L. S. 

 Absecon Inlet 

 Five Fathom Bank L S. 

 Winter Quarter Shoal L. S. 



