Machine, 



Bottom ie.irvpF.ruAuTt 



.'Vb. of thAsntwmeter 

 Corrected temp^ratiirt 

 Mr tt^ Surface f^f * 



SOUNDING WIRE. 



DOWN, 



3 



5, il 



•0 



a. tii-. 



3, 



// 'JO 



1 Wi 



TURNS. 



300 



6» 



TOO 



9«> 



loon 



1100 

 I'JCJO 



1^ 



1500 

 1600 

 t7fX3 



1900 



SOOO 

 «100 



saoo 

 3300 

 340^ 



jyHft 

 DREDGE ROPr ^ 



OOWK 



