BULL. GEOL. SOC. AM. 



VOL. 28, 1916, PL. 45 



Figure 1. — Bellevue Formation resting on the Fairmount Formation. ^ Ernst 

 Hill, Cincinnati, Ohio 



Pliotograph by R. S. Bassler 



Figure 2. — Silurian Sequence at Stony Creek^ south of Hamilton, Ontario 

 Photograph by M. Y. Williams 



EXPOSURES OF BELLEVUE AND FAIEMOUNT FORMATIONS, OHIO, AND SILURIAN 



SEQUENCE, ONTARIO 



