CESCRIPTION OF THE COASTAL PLAIN REGION. 



(this being largely an arbitrar}^ boundary line). The approximate 

 position of this contour is indicated on the map (fig. 1) by a broken 

 Ime. The conditions of this section are such that the discussions 



Fig. 1.— Map of the Middle and Southern Atlantic States, showing the location and extent of the regions 

 discussed in this bulletin. The Coastal Plain is shown on the map by continuous lines, the inland 

 boundary being to some extent arbitrary. The region between the Coastal Plain and the approximate 

 course of the 500-foot contour Is shown by broken lines. 



which follow, though based on the Coastal Plam, would doubtless be 

 applicable, with only minor modifications, to this area. 



194 



