BULL. GEOL. SOC. AM. 



VOL. 13, 1901, PL. 27 



Figure 1.— Sandstone Ledges ("White Rooks") near Mouth of Patapsco River 



Figure 2 —Cliff of "Fuller's Earth" Overlying Sands and Clays at Lower White Banks, Elk Neck, 



Cecil County 



RARITAN FORMATION 



