-4- 



o |- 



O- O 



5 uj 



O CO 



o 



I I > 



^* 31 g_ 



i i i i 



X X X X X 

 X X X X 

 1111 



1111- 



NAMED MEMBERS 



Little Vermilion l_s. 



LoSolle (Shoal Creek) 

 Ls. 



Hall Ls. 



Cramer Ls. 



Chapel (No. 8) Coal 



Trivoli Ss. 



UJ 



_l 



UJ 



< 



?• 



Q 



< 



z 



^ 



o 





ai 



>c 



rr 

 < 





u 



— Exline Ls. 

 Lonsdale Ls. 



Gimlet Ss. 



Farmington Sh. 



Danville (No. 7) Coal 



^-Copperas Creek Ss. 

 — Pokeberry Ls. 

 — Brereton Ls. 

 Herrin (No. 6) Coal 



Big Creek Sh. 



Vermilionville Ss. 



Canton Sh. 



ui 



t z 



v> O 



5 ° 



o W 



O (/> 



o 



X X X X X X 



I I I 



t -t t 



^n- 



i i i i 



■ . '. 



x X 1 X X X 



I I I I 



X X X X X 



X X X X X 



X X X X X 



~i — r 



II ¥.M V 



n >■ * * >■ 



X X X X IT 



NAMED MEMBERS 



St. David Ls. 

 Springfield (No.5) Coal 



Covel Conglomerate 

 Hanover Ls. 

 — Excello Sh. 



Summum (No. 4) Cool 

 Breezy Hill Ls. 

 Kerton Creek Coal 



Pleasantview Ss. 



Purington Sh. 



^Lowell Coal 

 Oak Grove Ls. 

 Mecca Quarry Sh. 

 Jake Creek Ss. 



Francis Creek Sh. 



Colchester (No. 2) Coal 

 Browning Ss. 

 Abingdon Coal 

 Isabel Ss. 

 Greenbush Coal 

 Wiley Coal 

 Seohorne Ls. 



DeLong Coal 

 Brush Coal 

 Hermon Coal 

 ^Seville Ls. 

 Rock Island (No. I) Coal 

 Bernadotte Ss. 

 Pope Creek Cool 



Tarter Cool 

 Manley Cool 

 Babylon Ss. 



Approximate Scale in Feet 



25 



L_ 



50 



_l 



Fig. 3 - Columnar section of Pennsylvanian strata in northern 

 and western Illinois from Smith et al., 1970. 



