i vat* /A<**/ ft ^r/fJ$> 



T*'m* $P Cor. + ^ ^ 1 ifc/rtfc > / ^ 



finUurn i • M ' r L& 9 



Jtnfinm. tcmperaturt! 



No, of itMrm>om#tor / ^ Cor* 

 Gorrcnterl ( i p $ ra t urt 



dir Sicrfact Drift 



'JYawl or dredge 



rifkh'.. 



o 



2O0 

 300 

 400 



two 



700 

 800 



looo 

 1 J 00 

 laoo 

 1 KM 

 1400 

 1500 



I7'X) 

 l&xi 

 I90Q 



MQG 

 -•400 



DREDGE ROPE. 



IKJVV.N. 



