BULL. GEOL. SOC. AM, 



VOL. 6, 1894, PL. 26. 





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 In the zone of <l:irU liooiloos, soi\tli side of hiitte. 



Ki<.ri:»: -'.-'I'"!- "i tii». ihiik 7.«sy.. 

 W'hitf <tv»»ni»« Rhore nrni to the left; to the riK^t belo«r «lnrk Mhonkinite rextiiiK in place on wliit^ xyenite. 



SQUARE BUTTE. 



