USDA Soil Order
Aridisols
Dry soils found in arid environments. They often contain accumulations of salt, gypsum, or calcium carbonate and support sparse vegetation.
Dry climate soilsSalt/carbonate accumulationsLow organic matterOften alkaline pH
Distribution: Western US deserts, Great Basin, and Southwest.
Aridisols Distribution Map
Interactive choropleth map coming soon.
Will show counties where Aridisols is the dominant soil order.