COLES COUNTY. 107 



Ft. In. 



"Drift 15 



Buff argillaceous shale 4 



Calcareous shale, with fossils 1 



Gray iron stone, with fossils 6 



Brownish-hlack shale, with fossils 1 



Black hard shale 8 



Blue shale. 5 



Brash coal 3 



Sandstone, showing on the opposite side of a hill a vertical face of 35 " 



Above Baker's mill, which is located on sec. 25, T. 12, E. 10, he 

 reports a similar section, tkat shows a thickening of some of the beds : 



Ft. In. 



" Covered slope 40 



L im estone, with fossils 1 



Gray shale 6 



Black shale 8 to 10 



Calcareous pyrite band 3 



Blue shale ? 



Sandstone, thin bedded at the top and heavy bedded below 20 to 30 " 



On another ravine leading to the river he reports the following sec- 

 tion, showing still further changes in the lithological character of the 

 beds above the sandstone : 



Ft. In. 



"Limestone 6 



Bituminous shale 8 



Gray shale 2 



Decomposing gray shale ? 



Sandstone 3 



Coal 3 



Blue clay 3 



Coal i 



Blue shale, with fossil plants 2 



Brash coal 1 



Blue argillaceous shale 3 to 5 



Solid sandstone, not measured. " 



At the old mill on the Pole cat creek, known as the Whorl mill, the 

 following beds are to be seen : 



Ft. In. 



Sandstone, in thin beds, with pebbles in lower layers 10 to 12 



Hard black shale 10 



Clay shale 6 to 8 



Coal .' 3 



Sandy shale 2 to 3 



About two hundred yards to the westward of the mill the sandstone 

 extended below the bed of the creek, showing a decided dip of the strata 

 in that direction. This locality was visited especially on account of the 

 reported occurrence of silver or some other valuable mineral at this 

 point, but the reputed silver proved to be nothing more than the glit- 

 tering scales of mica which was very abundant in the sandstone. 



On the Embarras, about a mile and a half or two miles below the 

 mouth of Brush creek, a hard brown argillaceous limestone from eight 

 to ten feet in thickness outcrops above the bed of the stream and over- 



