BULL. GEOL. SOO. AM. 



TEXAS 



DENISON 



VOL. 33, 1921, PL. 4 

 14 



WYOMINS 

 5 BIG HORN MTNS. 



•MING SOAP CP. 



NEWCASTLE. 



15 



MONTANA 



& 



I OOO-i 



800- 



600- 



400- 



200- 



"5 



rn 



rn 



O 



r=t 



E 



o 



rn 



Austin 



w 



3 



KANSAS 

 OF SAUNA 



o'J 



Eagle Ford 



2 



KANSAS 

 BELVIDERE 



►Woodbine 



3£i 



s 



•Denison 



FtWorth 

 Duck Cr 



Good land 



►Trinity 



■Tertiary 

 Dakota 9 



Medicine 

 •beds or 

 Gould 



.Kiowa 

 Cheyenne 



-Niobrara 



N.E.IE 

 ELK P = 



Carlile 



6reenhom 



Gnaneros fg- Newcastle 

 .Dakota 



Mentor* 



Niobrara 



Carlile 



Greenhorn 



Graneros 



Mowry 



DakpJa-' 

 Tuson 



S Lakota 



I Morrison 



LITTLE. ROCKY MTNS 



Niobrara 



Carlile 



Frontier 



Mowry 



Thermopolis 







•Cloverly 



•Morrison 



Sundance 



Eagle 



Moaby 



Mowry 



Thermopolis 



Kootenai 



