NATURAL GAS EXPLOSION NEAR WALDRON, IND. 813 



pounds to the cubic foot, this pressure would have equaled the 

 weight of the overlying materials at a depth of 205 feet. 



Assuming the pressure of the gas to have been 250 pounds 

 to the square inch, then the strata which enclosed the gas prior 

 to the explosion may have been anywhere between the surface 

 and a depth of 205 feet. 



MKH™BH*»* 



— 1 



Fig. 5. — View looking southwestward from the top of the bluff at 7, Fig. 1. 

 Prior to the explosion the water of the stream flowed over the surface of the ground 

 shown in the right foreground of the picture. (From a photograph.) 



In closing, attention is directed. to the fact that the locality 

 in which the Ogden Cemetery explosion occurred is near the 

 southwestern edge of the natural gas area of Indiana, and that 



