Sli-ob or lend 

 Bolhm 



JJoUom hrn/jv-ruturc 

 jYo. of Thcrmonvt'icr 

 Ourrocietl Ivitipcraitt re 

 Air i^iitface 



SOUNDING WIRE. 



<• 



lOO 



200 

 300 

 4<K» 

 500 

 600 

 700 



hVQ 



yoo 



l'X)0 

 I I "Xi 



tyuQ 

 1400 



tilQO 



1700 

 i»oo 

 190C) 

 2000 

 ston 



2300 

 3400 



0»n 



Drift, 



DREDGE ROPE. 



