4 Xf" ' 



Date 

 Machine. 

 Ttirns Cor. -f 



Shot or lead 



Botfam 



Jtftttom temperature 

 No. of Uieraunntler 

 Corrected lejupni v/ bitrt 



dir ^S? t Surface ' Drift 



5. .SOUNDING WJRE, 



DOWNi 



/J/ 



f09 



. v 00 



S3 



to 



Jo 



3<x> 



fKJU 



DREDGE ROPE. 



DOWN. 



1* XuJ& - 



up. 



tec 



boo 



a* ! 



1300 

 1 V * - 

 1 50O 



l IHH J 

 I74JO 



1800 

 9000 



