NATURAL GAS EXPLOSION NEAR WALDRON, IND. 805 



raphy and relations of the area can be best understood by 

 reference to Fig. 1. 



The area that was shaken up lies at the south side of Big 

 Flat Rock River or Creek, in an almost half circle bend formed 

 by that stream, and is comparatively flat creek "bottom land" 



SQjOp.. 



Fig. 1. — Map of the area affected by the Ogden Cemetery gas explosion, in 

 Shelby county, Ind. 



made up of alluvium. The south side of this area, marked 

 "second bottom," (Fig. 1) is slightly higher than the portion, 

 included by the Nos. 4, 3, 1, 8, 9, 10, and II, in which the 

 explosion occurred. At the time of the explosion growing corn 

 covered the second bottom. 



At the. east and north side of the stream is a wooded bluff, 

 of glacial gravel and clay, about forty feet high ; this bluff was 



