y i — 



JirMoiti. ttirnprrtrture 

 .Ythvf fJienyhonieiftr 

 Corrected i/(ipt./muitirG — 

 -/lir Surface 

 Tratvl or dreUj^it 



DOWN. 



soundIng wire. 



UP. 



TUttNs. 



200 

 400 



(kx> 

 760 

 AOO 



900 

 1000 



t T'Xi 



J69P 

 J«oo 

 HOOC 



kno. 



3o- ^o. 



Cor, 



DREDGE 



DOWN. 



R OPE. 



