Gar. 4- . . Dtpil 



tfni« lead / 



Drift 



7 



»4ir Suj;faoe 



SOUNDING WIRE. 



DOWN. 



Ul'. 



«^REDGL ROPE. 



' OP* 



aw 

 300 



400 

 500 



700 

 800 



000 

 1000 



1IG0 



lAOO 



J5U0 

 1600 



llao 

 ?^ 



saoo 



7400 



J-ftTl 



