

Indiana. 



Ohio. 



Pennsylvania and West 

 Virginia. 



Massachusetts. 



Rhode Island. 



New Brunswick. 



Prince Edward 

 Island. 





Rocks with the Aldrich 

 and Friendsville coal 



a 

 o 



IS 



B 







Nineveh Is. 

 Nineveh coal 

 Claysvillc Is. 



















Dunkard? coal, etc. 















6 







Prosperity Is. 













Parker coal 







Tenmile coal 















§ 







Donnely Is. 















■^ 









Cambridge slate 











Interval 



is 







U. Washington Is. 





















Jollytown coal, etc. 



Roxbury conglomerate 



Dighton conglomer- 



New Glasgow con- 



Red sandstone and 







— 





■0 



M. Washington Is. 





ate 



glomerate 



shale 











CS 



L. Washington Is. 









. 











■^ 



Washington coal 



1. Squantum tillite 



Purgatory conglom- 















P 



Little Washington coal and 





erate 









Merom ss. = Inglefield s 



s. 





U 



sandstone 













(probably) 









Waynesburg A & B coal, etc. 

 Cassville shale 



Unconformity? 



















Waynesburg coal 

 Brownstown ss. 



2. Dorchester slate 



Rhode Island forma- 



Shulie formation. 



Red and gray sand- 













Little Waynesburg coal 





tion 



(Possibly in part 



stone and shale 











cj 



Waynesburg Is. 







equal to the New 







Interval 







1 



LTniontown ss. 

 LTniontown coal 







Glasgow con- 

 glomerate) 







Ditney formation 







a 

 o 

 a 

 o 



Benwood Is. 

 Sewickleyss. 

 Se«-ickley eoa) 













Coal VIII 







S 



Fishport (Sewickley) Is. 

 Redstone coal 



3. Brookline conglom- 

 erate 



Wamsutta formation 

 Pondville and Bel- 









Somerville formation 









Pittsburg ss. 





lingham conglom- 







s 











Pittsburg coal 





erates 











Pittsburg Is. 





U. Pittsburg Is. 











J3 











Little Pittsburg coal 







Joggins formation 





(3 







Cormellsville ss. 





Connellsville ss. 











d 











Little Clarksburg co.aI 











i-j 



Interval 









Lonaconing coal 











S 







Morgantown as. 





Morgantown ss. 

















J3 



Elk Lick coal 

















Ames Is. 



M 



Ames Is. 

















Harlem 



cj 



Harlem coal 











e 



MiUersburg formation 





Round Knob 



a 

 o 



Pittsburg red shale 

 Maynardier coal 

 Saltsburg ss. 

















Barton coal 



Bakerstown coal 













Coal VII 



1 Buffalo S3. 





Buffalo ss. 

















Brush Creek 





L. Cambridge coal 

 Gallitzin coal 

 Mahoning Is. 

















Mahoning ss. 





Mahoning ss. 

 Uffington sh. 











British Columbia. 



Alaska. 























White, Na- 



adary 

 ne. 



Phoenix. 



Bridge River. 



Northwest 

 B.C. 



Pan-handle. 



Up. and Cent. 

 Copper River. 



Up. Xanana 

 Basin. 



Mid. and Up. 

 Yukon. 



Lower 

 Yukon. 



Gulkana and 

 Susitna Rivers. 



besna, Copper 



and Chisana 



Rivers. 











1 





03 





1 





















c 

 g 



Heavy Is. 



a 



S 



o 



Upper (cal- 



■V 



c 



ci 



Suslota Is. 



Heavy Is. 



Heavy Is. 





Hea\'y Is. 











o 





^ 



careous) 





















« 





a: 



portion 





































wack= 



Brooklyn Is. = 



White Cap 



Cache Creek 























neen= 



(Cache Cieek) 



series= 







Shale, sand- 





Lower por- 





Nabesna Is. 



Marine black 



Nation River 



Basic lava flows 



Sandstone, 



hist= 



Uncomfoimity 



Cache Creek 







stone, lava, 





tion 







shale, thin- 



senes 



tuff, tuff con- 



shale, lava. 



)od 



Franklin Is. 

 Gloucester 









intrusions, 

 etc. 











bedded Is., 

 volcanics 





glomerate, etc. 



tuff and in- 

 .trusions 































