Some Chemical Characteristics of Sea-water at Tortugas. 



77 



25f 

 50'' 



80°eo' 



80° 15' 



80°I0' 



PORTION OF BISCAYNE BAY, FLORIDA 



SHOWING POINTS AT WHICH SAMPLKS OF WATER WERE |) 

 COLLECTED 



25 



45 



25 



40' 



25 

 35 



25 

 30'" 



NAUTICAL MILES 



04 SAMPLING STAT/ON J^'^ . „ 



Base traced from U. SCS Chart No. 166 i " ° 



o7 



80°05 

 ]25, 



25 



45' 



25 



SoioSoldierKey"^ Fowe^ 

 I -^ T Rocks 



80 20 



80°i5' 



80°io' 



80 OS 



