866 



Subsurface Geologic Methods 



FIELD 

 COUNTY 

 STATE 

 Wei 



Surf. elev. 

 D.F. elev. 



S.P. 



Rest. 



Compiled by 



Total depth 



2,000 



10,000 



Figure 438. Compilation chart; adaptable when assimilating data 

 on an oil field. (Suggested by A. J. Gude, III.) 



