ANNALS OF THE CARNEGIE MUSEUM, VOL \\\. 





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CARQONiFEROUS C/»RBOlyiFEROUS DtVONIAM 



CAMBRIAN 



Geolog.cal Sect;or of Paleozoic Rocks on Camp Creek, A-B. Geological Section of Paleozoic and Mesozolc Rocks on Big Hole Ri.er, C-D. 



