^h^^ir-w lead ^^^^ 



^Vb. of Ih^irinojneter 

 Corrc^sted tomperctturei^- % » 

 Air -^f/^ ^nvfoM i/^ 



DHff. 



SOUNDING WIRE. 



DOWN. 



o 

 too 



:'oa 



400 



Aflo 



7W 

 8OQ 



900 



1 fcxj 

 1300 



IftOO 



1700 

 1900 



iooo 

 ilOO 



IJOO 



'I 



DREDGE ROPE 



LiOWN. 



J. 



