2. ^ /r^f. 



o, t 



Dat« 



Machine. / ^€«t. ^^t* 



A. 



Xthvf tlMin/wnheter Z'C^ Cor. "f^ i ( 



Corrected (iimf^^nUartf 



Air "^g"- fffir/aw Drift 



SOUNDING WIRE. 



■ 'DOWN. 



Uf. 



511a 



lOUU 



1 Kjo 

 llKXI 

 IJW 

 IJ«W 



I5W 

 iO«? 

 1706 

 l8uO 



9000 

 5>IOO 



•.•40" 



DREDGE ROPE. 



UOWff. 



DP* 



