Harpee< : Explorations in Georgia 1904 



455 



This limestone formation seems to form a narrow belt extend- 

 ing from the vicinity of Sandersville through or near Beech Hill, 

 Danville,Westlake,* and Tivola, to Perry and perhaps Marshallville. 

 Some people living near it have an idea that it extends from North 



Carolina to Mexico, but this is certainly an exaggeration. 



In 



Houston County it is commonly known as ''the limestone ridge/' 

 and is dreaded by farmers who have to haul loads across it in wet 



Figure 2. Swamp of Oconee River near Beech HiH, Wilkinson County, a point 

 »n the limestone belt here described. April 13. The trees are all deciduous, Quercits 

 MlchaHA'ii being probably the most abundant. The Palmettos are Sabal Adansonii 

 and Rh tpidophyUum Hyitrix, the former predominating. Carex cherokeensis and 

 other species cover the ground. Shrubs are almost wanting. 



weather. At other pohits where I have crossed it it is character- 

 ized by many of the same plants just mentioned, and may be traced 

 by means of them in places where outcrops of the rock are want- 

 ing, as in the swamps of the Oconee and Ocmulgee rivers. (See 

 FIGURE 2.) The limestone belt is approximately parallel with the 

 inland edge of the pine-barrens, from which it is distant about ten 

 «^iles. It is believed to be o{ Upper Eocene or Lower Oligocene 

 ^ge, but its stratigraphic relations v/ith rocks of the same age else- 



*See Bull. Torrey Club 32 : 162. 1905 ; under Crataegus gforgiaf in. 



