Tunis (for -f Mj/tf/t (Y 



liotloffb 



jOitff Ji+W'* 



Jinfffnn hin/)> r<it,urr 



JVb. of ihcrmarncter / Zl^fTfX^ Car. 

 Cnrrcoterl temperature J 



. Hr 



Sictfujoe,, 



Drift 



2*rawlynr dredge f ' Q4l»-rUv ..ft? 



SOUNfJlNG WIRE. 



DOWN. 



UK 



TUUN, 



V 



•. ; . DRf 



500 



600 



TOO 



900 

 i<xx> 

 1 100 



1 500 



r/orc 

 1800 

 1900 

 aooo 

 a I or j 



MO0 



DREDGE ROHE 



3 /f t S6 



vv. 



J2t 



