562 



DEPARTMENT OF THE INTERIOR 



2 GEORGE V. f A. 1912 



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PQ 



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Middle California. 



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 11 



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Marine sedimenta- 

 tion, with vulcan- 

 ism. 



i 



s 



o 

 o 



o 



Marine sedimenta- 

 tion, with vulcan- 

 ism. 



Oregon 



and Northern 



California. 



Local marine sedi- 

 mentation. 





; 3 



CD 



■s.S 

 si 



"c3 'CD 



o a 

 o n 



4 



Batholithic intru- 

 sion (Lower Cre- 

 taceous ?) 



Marine sedimen- 

 tation, with vul- 

 canism. 



Marine sedimen- 

 tation, with vul- 

 canism. 



S 



Marine sedimen- 

 tation, with vul- 

 canism. 



Central 

 Washington. 









3 

 e 



Batholithic intru- 

 sion. 







Marine sedimenta- 

 tion general, with 

 vulcanism. 



Western 

 Geosynclinal 



Belt, 

 49th Parallel. 



CD 

 CO 



a« 



11 



c3 <D 

 CD S 



o * 

 i-5 





Local marine sedi- 

 mentation. 

 Vulcanism. 





3 

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CD -"3 



2 I 

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T3 a 



CD CD 



M 3 



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a 2 



6 



s, 



i-s 



Marine sedimen- 

 tation general, 

 with vulcanism 



Western- 

 British Columbia 

 and Yukon. 



Coastal marine sedi- 

 mentation. 





Coastal marine sedi- 

 mentation with 

 vulcanism. 



s 



s 



s-l 



a 



o 



"o a 

 P3 



Marine sedimenta- 

 tion witli vulcan- 

 ism. 



Si 



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O 



Marine sedimenta- 

 tion with vulcan- 

 ism. 



£3 



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 E- < 



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B hJ 



g^ 

 O 



Marine sedimenta- 

 tion with vulcanism. 



Unconformity. 



Coastal marine sedi- 

 mentation. 

 Vulcanism V 



s 



o 



"o a 



CO <K 



PQ 





o 



CO 



Marine sedimenta- 

 tion with vulcan- 

 ism. 



1. 



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 Pn 



