386 GEOLOGICAL EXCUE8I0M TO THE ROCKY MOUNTAINS. 



Legend. 



"U~"| 1 B 1 [W 



^r^s 



Quarcrnaru Pliocene . l//nla. Br/dger. Wasatc/i. ILoram/e. Montana. Colorado. JJaAota^urass/C, 



J So c't.nr— Cr et a.ce o u, J ' w 



B^ Ml HI Si 



W% 



^V V V V V 

 V V V V ' 

 V V V V V 

 - S w w v 



; f (Mf.f! 



*7r/asstc. C/>perfPer-T«>> Middle . Lower; /Jeoon/an. Silurian Camdr/on rfrcfiaean Sruptioe 

 Ccirponcferot/J — ' (■f-JigonJi'*") 



Fio. 18 — Outline geological in:i|> of the Wasatch mountains! 



