How many different kinds soils are there in the United States

There are 12 soil types in the United States according to the soil order, the classification system for soil. The 12 types are:

Gelisols: Frozen

Histosols: Organic and wet

Spodosols: Salty and acidic

Andisols: Volcanic ash

Oxisols: Very weathered

Vertisols: They shrink and swell

Aridisols: Very dry

Ultisols: Weathered

Mollisols: Deep and fertile

Alfisols: Moderately weathered

Inceptisols: Slightly developed (young) soil

Entisols: Newly formed soil