US GEOLOGICAL SURVEY. 



MONOGRAPH XXV. PL. XXXII. 



MAT Ol'^ rilK WKSTKHX SHOUKS OF I.AKl-: ACiASSI'/. IX TIIK VICINITY OF 'ITIK 

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Si-iilc, Ci inUes Id .111 iiicli. 



Lake Ai'ea 



Delia 



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