- Jt Date 



* Machine, £L JtM. 



TwmJ 7 7 Z> Cor. 

 Shot or lead x?<T 

 Bottom S , 



Bolhnu trmfiri iihti < 

 .YtK of Tin rmonnlcr 

 < 'ft/ i t ch.tl ii infti rctturt 

 Air *2 O Sti,rj)irr 

 Truivl Qt <(i< <!jr <>r fan <:>'> 1 



Depth sd&Q 



f 'nr. 



SOUNDING WIRE.. 



TVJtKS. 



DREDGE ROPE. 





trr. 



VOW'S. 









1 ) 



t>-> 











ZOO 











300 

 400 











500 

 50o 









































loOO 











1 IOO 



j 100 











1300 











1400 































1700 











1800 











|r>4X> 











iooO 











aioo 































'1' 1 







