68 KANSAS UNIVERSITY QUARTERLY. 



eroded to about six feet below the general level, although the two 

 ends pass up onto the bank. In this pile of debris one mass of 

 arenaceous shale measures sixteen feet long, five feet wide and 

 three feet thick for the greatest diameters, and will weigh about 

 fifteen tons, while more than half a dozen other pieces will average 

 nearly half as large. In some parts of the pile the debris is fully 

 six feet deep. In the smaller piles to the southwest the fragments 

 were not so large, but many of them showed plainly that they were 

 brought up from the regularly stratified shale which is reached at 

 a short distance • below the surface. Smaller fragments of the 

 debris were thrown to the northeast for at least two hundred yards. 

 One piece was driven through the wall of the upper story of the 

 house, H., and lesser fragments aggregating tons in Aveight were 

 strewn over the surface in that vicinity. A cistern, C, just north 

 of the house was split from top to bottom by a fissure, and a gas 

 main was pulled in two at the point b, opposite the cistern. 



The gas well had been drilled months before and according to 

 the record kindl}- furnished by Mr. Brown, secretary of the com- 

 pany, passed through the following strata: 



RECORD OF GAS WELL AT COFFEYVILLE, NEAR POINT OF EXPLOSION. 



THICKNESS OF 



STRATA. TOTAL DEPTH. 



12 feet. . . .Soil, clay and gravel 12 feet. 



40 .... Shale 52 



15 .... Blue limestone 6.7 



2 .... Shale 69 



10 .... Grey sandstone 79 



8 .. ..Shale 87 



4 .... Limestone with salt water 91 



20 .... Black shale in 



8 .... Shale 119 



5 .... Limestone 124 



35 .... Sandy shale .' 159 



5 .... Limestone 164 



2 .... Shale 166 



25 .... Limestone 191 



5 .... Black shale 196 



17 .... Brown and grey sandstone 213 



75 .. ..Shale .' 288 



37 .... Limestone 325 



2 .... Black shale 327 



2 .... Limestone 329 



2 .... Black shale 331 



32 .... Limestone 363 



4 .... Shale, salt water and gas 367 



16 .... Limestone 383 



15 .... Black shale 398 



