rtn 



Date 

 Machine. Iirtf 



turns 



Cor. + 

 Shot *r Inui 

 BuHom 



JioUotu. it mperoture 

 ,\o. itf thermometer 

 dornrbrl few p< rtittte, 

 Air Sitrfmu 



Depth 



brift 



BOUND ING WIRE. 



• 0/1 



300 



,1 ot > 

 4«>j 



500 



In., 

 '/"' ' 



800 



1 \tjn 



J.lOO 



JtjfJO 



1700 

 1800 



DREDl 



DOWN. 



