HawortH.| Detailed Geology of Oil and Gas. 179 
same valley, which draw their supply from a sandstone be- 
neath the oil-producing sandstone, as already explained, cer- 
tainly are in a synclinal trough. These first gas-wells at 
Chanute practically gave Chanute its prominence as an oil 
and gas center, in spite of the fact that they draw their sup- 
ply from a structural valley. We must conclude, consequently, 
that, no matter how important structural relations may be 
elsewhere, they are of only moderate importance in Kansas. 
