53 



Area of Penn Clay Proportional 



Acres extent per cent 

 Leesburg area 11,776 4 3 

 Albemarle n Buckingham Sheet 16^128 l!s 



Some small orchards are found upon Penn clay. Apples 

 do well upon this type of soil. 



Peim stony l°am consists of a rather heavy Indian- 

 red loam, S to 10 inches deep, containing from 30 to 60 per 

 cent of red or brown sandstone fragments. The subsoil is of 

 much the same character, though it is a heavier red loam. 

 There are 1280 acres of this soil mapped in the Leesburg area, 

 which is 1/2 per cent of the area. 



This type of soil is well adapted to orcharding.. 

 Apples do well upon it. 



Miscellaneous Piedmont Soils . 

 Loudoun Sandy loam consists of 8 to 12 inches of a 

 heavy brown or gray sandy loam, underlain by a heavy yellow 

 or red loam or clay loam. Often the subsoil contains a quan- 

 tity of coarse sand, making the texture much the same as that 

 of the soil. The sand is composed of coarse rounded and sub- 

 angular quartz particles. Occasionally the surface is covered 

 with 5 to 30 per cent of angular quartz fragments. The to- 

 pography of this soil varies from rolling to hilly and ridgy. 



It is well drained. In the Leesburg area, 27,968 acres of 



