U.S.Geoloi^iecil Survey. 



^^^ate. JjTHI. 



Cctrb. Trias 



Se.etzoTvs C^or^v of Statiorv 5S. 



Carrh. 



Weet. 



Carh. 



Trtcts. 



MT WAGNER, 



KD.o. 



Ccvrb. 



Sections SoxlHv of StctUxn^y dS. 



Setdioihs Showing Struetare otScdtMuerBmi^ie. 



