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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 78 



Fig. 16. — Chattanooga black shale with channel occupied by Fort Payne 

 chert, east of Woodbury, Tennessee. (Photograph by Bassler. ) 



Fig. 17. — Eastern Highland Rim viewed from top of Cumberland Plateau 

 near Sewanee, Tennessee. (Photograph by Bassler.) 



