Machine. 'JL 'Jceel, ^/(X^/i^ ^ 



BoU^m leirhperatitre ■ 



. Vo. of ihurtnonbeler ■ - Cor. 



Surface 



J. 



'yr^ DOWN. 



SOUNDING WIRE. 



*3 ^Hv^'^^^ i*-^ 



UP. 



300 y 



4 



700 

 Boo 

 (/» 



lOQO 



Ijrrj 



H/.IO 



2 loo 

 2C0O 



04 



4 



