.>Vb. 



Tu>rM Cor, + 



S7iot or lead 



JJoUom Umperaturc 

 ./Vb. of iiumvormiUr 

 Co/Tcotod terapcratwre 

 Mr Surfaoe 

 TrcLwl or drtdge 



SOUNDING WIRE. 



or. 



TURNS. 



I) 

 Hii> 



sua 

 300 

 dOU 



V** 



(am 

 70a 

 Clou 



lew 



Ijoa 

 I0cn 

 1300 



lOuu 

 1700 



igoo 



9O0O 

 'i'JCXi 



Vrift 



DREDGE ROPE. 



UQWH, 



OP, 



