Bulletin. Denison University. Vol. XII, Arl. X. 



PLATE XL 



^^TOJg^^^'^ 



Fic. 5— Ochcr-1'il Ilctween Tiliecl ar,(l C'ruslicd (^)uaitzite Along Rowland Sprinc^Ts R,,a(l 

 on the lilue Ridijf (_'o.'s Proijertv. 



Fig. 6— l)Lher-rit> in (^uarizile, 1.5 iMile SE. of Cartensville. The (^)uart:dte-Lay( 

 are Nearly Covered with Crumbling Rock. 



