ail. 



TnLt M 



Cor. + 



jYo. 

 Turn* 



9fsoi or load 

 Bottom 



BottOm It iu pr ra lu / > 

 ffO. (if t)a Vltumt. lrr 

 i 'iirrrrtrtl tr ,,, jn ralwrt 



Air Surface 

 Tnnrl or dredge 



\mehtno. Jt*eJ. 



/Jrpth 



r 



Cor. 



Drift 



SOUNDING WIRE. 





DREDGE ROPF 



DOWN. 



> UP. 



TUB 



WOWN. 



Ul'. 







o 











zoo 





















^oo 











400 











j no 































4t H > 











9OC* 











IOQQ 











1 |t « 1 











1 200 











1 jOO 











uuu 











1500 





















1700 











r8oo 





















2000 











JiOO 











TJOO 











2300 











2400 







