ILLUSTRATIONS 

 Figure Page 



1. Chart showing location of stations. 3 



2. Inorganic and total phosphorus at the surface ( approximately 



1 meter) at Stations 1 to 6 for the l6-month survey...... 5> 



3. Total phosphorus at surface at Stations 3 to 8 for 17 sur- 



veys, May I9I49 to August 195"0. ........................... 



Iu Inorganic phosphorus at surface at Stations 3 to 8 for 17 



surveys , May 19h9 to Augus t 195>0 ......................... 8 



5. Organic phosphorus at surface at Stations 3 to 8 for 17 



surveys , May 19h9 to August 1950 ......................... 9 



6. Total phosphorus sections extending westward from Station li, 



three miles from Boca Grande Pass, Charlotte Harbor, to 

 Station 8, one hundred twenty miles offshore............. 30 



7. Inorganic phosphorus sections extending westward from 



Station k, three miles from Boca Grande Pass, Charlotte 

 Harbor, to Station 8, one hundred twenty miles offshore... 33 



