272 



Ashley, in the coal report on Greene County'', says : 



"Lower Carboniferous. — The Kaskaskia is well represented in this 

 county by limestone and sandstone, with some shales. 



"The uppermost limestone, which is not very persistent here, usually 

 is found but a few feet below Coal I or the equivalent horizon. This lime- 

 stone, while often absent, attains a thickness of 20 feet in places. Then 

 comes a variable thickness of sandstones and shales, and below that still 

 heavier beds of limestone. The lower limit of the Kaskaskia is somewhat 

 in doubt, as by some it is drawn at the top of this lower limestone, by others 

 part way down it. The lower part of this limestone is probably of St. 

 Louis age, and extends down into the Mitchell limestone." 



Paragraph 1258". Section at William Sexton's spring, S. W. of S. E. of 

 Sec. 16-G-3. (C. E. S.) 



1. Massive buff sandstone ( ^lansfield ) 20 



2. Heavy limestone (lower carb. ) 14 



o. Biuish gray shale 



In the report on the road materials of Greene County, Blatchley sas's:* 

 "Huron Limestone- — The rocks of tlie Huron group lie close to the surface 

 over the greater part of Greene County, east of White River. On the high- 

 est ridges and hills thej' are capped with the Mansfield sandstone. For the 

 most part the exposed Huron rocks are also saiidstone, but several localities 

 there are outcrops of hard bluish Huron limestone, which appear well 

 adapted for road improvement. 



"The principal one of these exposures visited was on the land of 

 George Cox, southwest quarter of the northwest quarter of section 3 (7 N., 

 4 W. ). At this point the Indianapolis Southern Railway Company was con- 

 structing a viaduct 2,215 feet in length and 147 feet in height across Rich- 

 land Creek, and a quarry had been opened to secure crushed rock for the 

 concrete work in connection therewith. In this quarry the blue limestone 

 was exposed in fourteen layers, each four to thirty inches in thickness, and 

 aggregating seventeen feet. This limestone was botla overlain and under- 

 lain with a Huron sandstone, the overlying portion being three to seven 



'Ashley, G. H., 23d Ann. Kept. Ind. Dept. Geol. and Nat. Res., 1898, p. 770, 

 par. 1250. 



« Op. cit. page 772. 



• Blatchley, W. S., .SOth Ann. Kept. Ind. Dspt. Geol. and Nat. Res., 1905, 

 p. 894. 



