• IJOO 



S 1000 



Soo- 



GEOIvOGIC SECTIONS 



-r ER 'TI A rV^^DE P OS IT S 

 NCffiTH PACIFIC COAST^o"™= UNITED STATES 

 «oo| SOUTHEI3N V^COUVER ISLAND 



Jooo By 



£000 Ralph Arnold and Harold Hannibal 



1000 



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1.5M11BJ 



LEGEND 



|QiDAlluv,aldepo^,t5 El^o'^i;??^^ lo^As^°ria basalte ^^^X^i^S^J-^ 

 LOaJ Raised bcati (tepoab fbfel Empire 1 03 J SooKe fjfl R-ancucan 



[qEI Glacial deposits gb] Empire basalts let | T^jon 



Scl Elk River 

 [M] Merced 



I Om I Monterey 

 IOa| Astoria 



I Tcjon basalts 



3 Vancouver gpeeretonea 



[KkI Khoxvllte fcl ColebrooK actet 



