36 Bulletin 9 228 



Tuscahoma, Langdon ; Bull. Amer. Geol. Soc, vol. 2, p. 596, 

 1891. 



Woods bluff g7vup, Smith and Aldrich ; Bull., Geol. Surv. Ala., 



p. 51, 1886. 

 Woods bluff, Smith and Johnson; Bull. 43, U. S. Geol. Surv., 



pp. 18 and 43, 1887. 



* * * 



