As many such Klong River source nat v Khlong Thap Chang. Khlong Sai. The soil is clay ruan. Clay or clay mixed the sand stone style limestone and granite, they are mostly.
As many streams as canals Nathawi canal Khlong Thap Chang sandy soil, etc. It is a clay loam or sandy clay. The limestone and granite stone look as they are the majority.
As a source of upstream. Many lines, such as the canal Na thawi canal over the elephant. Sandy Soil Canal, etc. a loam, clay or clay mixed with sand. The rocks are limestone and granite.