I !/r/</. Bate / 



Machine. 

 Turn's */%C Car, + ^ £ 



mi 



shfj^or lead 



Jtofiom, 



***** 



Depth -\ [ 



Jlattom i&mpvrature 

 No. of thrrtmjrthcter 

 Corrected tampwiiiurc, 

 ^ r * firtrfaee 



. SOUNDING WIRE. 



8 Oh*. 



0-O 



7 



■i .„'( 



10O 

 f 2QO 



^ 300 



500 

 6w 

 * TOO 

 800 

 90O 

 IO00 



1300 

 I40Q 



1&00 



1 Boo 



-j 400 



. DREDGE ROPEf^^*- 



DOWN. 



/•>> Ho 



/, 4// 



Oft J*r 



,1 



fit- 00 



(- JTd o 



r. 



0 r >^i. 



