

*r-''tatH''^ 



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PI.ATli 111. u 

 North Evans. 



-\ ifw •■! till- cHlls in llic ^iir.iic ot' Eighteen Mile Creek, above 



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i/n. — \ie\v lit the j(jiiit strnctiire in the (Tardean black shales, above North 

 Evans. — Photographed by A. W. Grabat;. 



