An. 



hutr 



J CCvw-c---- Machine* 

 Tu rrw Cor, \ 



Bhdt W lead . 

 Bottom, 



Bottom ti in J" rn hi re fj^uj "] 

 A'tt. of th rmonirhr 

 Corrected tempi: ruture 

 , Ur Surface 

 Ttutmt- or tlrrd^r. ,w tiui^lr* 

 SOUNDING WIRE. 



r5> 



Reel. 



fir f: vs. 



Q 



(#0 



500 



I " N I 

 7<X) 

 800 

 900 



I soo 



1100 

 1 SOi ) 

 l. too 

 I4«k> 

 1500 



1 </<X» 



1700 



1800 



I yoo 

 2000 



-MOO 



2400 



M />ih 



Cor. 



DrifL 



DREDGE ROPE. 



ItiAVN. 



