266 PHYSIOGRAPHY AND GEOLOGY OF THE COASTAL PLAIN PROVINCE. 



The following tables give the average results of mechanical analyses of 

 the seven types of soil differentiated by the Bureau of Soils in Hanover 

 County : 



Mechanical analyses of Norfollc sandy loam. 



Mechanical analyses of Norfoll: fine sandy loam. 



Mechanical analyses of Wichham clay loam. 



Mechanical analyses of Wiclcham sandy loam. 



Mechanical analyses of Wiclcham sand. 



Mechanical analyses of XorfoU- gravelly loam. 



Mechanical analyses of Leonardtown loam. 



Eleven types of soils are differentiated by the Bureau of Soils in the 

 Yorktown area, which range in texture from clay and silt to fine gravel, 

 with the predominating types consisting of fine to medium sandy loams. 

 The following table gives the names and extent of the several soils in the 

 area surveyed. 



