SMITHSONIAN EXPLORATIONS, I939 



Fig. 16. — Ford over San Saba River just east of Camp San Saba, Tex. 

 showing brachiopod beds of the Upper Cambrian. 





Fig. 17. — White Mound west-northwest of Nebo, Okla. 







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m 







" V'', ' 1 & «A .-(*' 





Fig. 18. — Loose Ordovician fossils weathered from shale on roadside ih miles 

 west of Nebo, Okla. 



