366 INDEX. 



PAGE. 



Boring for coal at Harvel, section of 27 



Lemonton 31 



Litchfield Coal Co 37 



Marissa, section of 31 



Marsailles. section of 50 



Milford 25 



Pana, section of 22 



Peru, section of 23 



Prairie City 25 



Riverton it 



St. Johns 38 



Streator 40,45,49 



Breese, coal at 9 



Brick, clay for 12,25,40 



Brock's Ford, limestone at 44 



Building stone 44 



Camorophoria Giff ordi 



Caledonia Coal Co. shaft 46 



Canton, boring at 5 



Carboniferous formation, Upper Mississippi 58 



Carlinville limestone 19 



Cass county boring, section of 15 



Cement, hydraulic 39 



Centralia, coal at <; 



Chccnomya :u9 



" Maria 319 



Chester group 34 



Chitonodus 109 



" antiquus 116 



liratus 119 



" Springeri 112 



tribulis 117 



Cholaster 328 



' ' peculiaris 329 



Clay for pottery * 12,25,40 



Clay, black 14 



Clay, fire 40 



Coal area 1 



Coal oil 37 



Coal, outcrop of 42 



Coal Measures of Illinois 1 



section of 2 



in Southern Illinois 3 



Coal products 7 



Coal No. 1 1,3,12,16 



" 2 4,12,25,42 



" 3 4,11,42 



" 4 4,25,42 



" 5 4,5,6,12,13,14,17,111,26 



" 6 6,12,14,17,23,25 



" 7 ...7,10,14,17,23,43 



" 8.... ...17,19,23 



