Plate II. 



STRATIFICATION OF THE ORANGE SAND FORMATION. 

 Fig. 1. 



Fig. 2. 



Figs. 1 and 2. — Sections from cuts on the New Orleans, Jackson and Great Northern Railroad, near Summit, Pike Co. 



Fig. 3. 



Fig. :J.-Section from a cut on the Mississippi Central Railroad, at Oxford, Lafayett 



eCo. 



S Stratified Sand. C Pip ec l a y. 



H Brownish Hardpan. G Small Gravel. p Pebbles . 



