/ Machine; ' Rqd. /V^Cv^.« . 



' r,ir, Ul 7ff*Cor. + / / 2. ' Depth, %\ffjf* . 



JSoUom h inpri ottirr 



No. of ihcnn^ometer J " ^ *$^/(^ 



Corrected tetrb/walura 



Air 



/ jU Surface / t/ Drift 

 Tr null, or dredge 



SQUNDU 



DOWN, 



Of £6 

 ' /0 Id" 



// > • . 



/i 



/AM 



/l/o 



if- 



ilhC 

 3 o 



SOUNDING WIRE. 



.U/A 



S3, to 

 Jl./o 



S/. of 1 

 SO. 06 



•JlfllN.S. 



ri 

 IOO 



200 

 30O 

 400 



BOO 

 90O 



HKXJ 

 I IOO 

 I 3O0 

 *30*J 

 raon 



J 600 

 I70O 

 jBou 



a 1 0Q 

 2200 

 2300 

 2400 



DREDGE ROPE. 



DOWN. 



DP, 



1-fiTl 



