<n- !»■ «' 





"' M)- »■ w- ?0' 



«■ fo- «^- 



Chart of 10° by 10° geographic areas 

 (Marsdcn Squares) within which were 

 collected data and information reported 

 in this publication and received by 

 NOAA Environmental Data Service. 



II ^P • 'f^ 



m' r»- ivO" 



SO 



51 



