CORRELATION TABLE 



BULLETIN 9a PLATE Z 



rVorthern tyg??kffit£§( 



Wisconsin 

 ////hois 



Minnesota and 

 Northern bwa. 



Maniixi/in fos. 

 /aire Huron 



Centra/ Ontario 



Esthonia,ffuS3';> 



6 mat Britain 

 WaJes Scot/and 



Fernvale 



Fenrrale 



Zemvale Dubuque dol. 



KchrnaneL Uidhmani 



BoridiolmL^ 



LlandovayBirkhilL 



rolk Creek shale 



Big Fork 

 chert 



GaJena dol. 



Wekwemikonj>sii| 



Sheguindah 



Colling\vood 



Stewartvilledol. 

 (Maclurea bed) 



Prosser limestone 



Kimmswick Is 



Plattin Is. 



Decorah shaleJ 



Strinfetown sh 



Platteville i Lower Buff 



( (jVn.,-, . . . ■■ ■ ■ 



Cloche Island. 



Swift Current(Leray) 

 Lowville 



Pulaski sh. 



Eden sh. 



?Utica sh. 



Collingwood sh 



Lyckholm \s.(j^ 



Picton Is. 



Hull(Curdsville) 

 Rockland Is. 

 Glen Falls Is. 



Lowville Is 



Wesenbergls(E) 

 Wassalem fs.(D 3 ) 

 Kegel Is. (D*) 

 Jewe Is. (D 1 ) 



Itfer Is. (C 3 ) 



Kuckers shale(C J J 

 Echinospheritesk(P 



?Orthoceras b.(B') 

 TGIaiiconite ls.(B 2 ) 



Pamelia Is. 



Llandeilo 



LlanoWy 

 (Upper) 



Hartfell 

 (Upper) 



Hartfell 

 (Lower) 



Glenkiln 



Jasper Is. 

 St.Peter with . 

 jjoacnim Is. member 



Everton Is. 

 Sneeds Is. 



Blakeley ss. 



St. Feter- sandstone 



Powell Is. 

 Cotter Is. 

 Jefferson City Is. 

 Roubidoux ss. 



Shakopee dolomite 



Glauconitess.(B') 



Ouachita shale 



jasconade Is. 

 punter ss. member 



Proctor dol. 



Eminence ch. 



bictyonemaflahelllfoi 



Arenig 



Tremadoo 



Skiddaw. 

 Durness 



Oneota. dolomite 



Potoai Is. 



"■', ' "'" 



Mendota. Is. 



*. u ^^-r'- - - 



St CreiorJ #[*£»,. 



Cambrian 



Esthonia fom(A', 



