VAUGHAN 



B. 







I 





tiMify' '_ 





/-ft * .* 



c. 



A. Cross-bedding by water in an Eocene exposure, 



Central of Georgia Railway, two miles northeast 

 of Andersonville, Georgia. 



B. Mud cracks, surface of Key West oolite, Big Pine Key. 



C. Surface of Key West oolite, Summerland Key. 



