BULL. GEOL. SOC. AM. 



VOL. 28, 1916, PL. 46 





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Figure 1. — Silurian, Devonian, and Mississippian Succession west of Newsom, 



Tennessee 



Photograph by C. Schuchert 



Figure 2, — Gypsum, Windsor Formation, Mississippian, near Moncton, New 

 Brunswick, Canada 



Photograph bj' C. Schuchert 



EXPOSURES OF SILURIAN, DEVONIAN, AND MISSISSIPPIAN IN TENNESSEE AND 



CANADA 



