WEST VIRGINIA GEOLOGICAL SURVEY. 



TABLE OF ROCK PRESSURES. 



499 



The following table, showing the average rock pressure 

 of different gas producing horizons in the two counties, has 

 been furnished the Survey by John B. Corrin, Assistant Gen- 

 eral Manager, of the Hope Natural Gas Company. It shows 

 a gradual rise in pressure according to the depth of the sands : 



Average Original Rock Pressures of Different Gas Producing 

 Sands in Lewis and Gilmer Counties. 



Lewis County. 



Gilmer County. 



