il- 11 V! 



SOUNDING WERE. 





DREDGING GABLE, 



/ M. Down, 





M. Down. 



Up. £_M. 



7 



7 





ft 











*> 



/ 



























; 





























800 

























100 



























r.oo 



























000 



























700 



























800 



























000 

























1000 

























1100 



























I20u 



























1800 



























ft* 1400 























■ 



r 



IBM 



























1000 



























1700 



























isni) 



























1UO0 



























soop 



























2100 



























2200 



























2800 



























2100 



























2.100 

























gaoo 

























2700 



























2SU0 















(/ 

















) 















8000 





m ~ 





















8100 







i 

















8200 

























WOP 

























3400 























moo 



























woo 



























8700 



























8800 



























0000 



























■1000 



























1100 



























-12011 



























4800 



























'MOO 



























-moo ■ 



























4000 



























47O0 



























4H0O 



























4000 















