Soil Use

A hydric soil is a soil that formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop anaerobic conditions in the upper part.

Maps that show soil color at various depths for individual States and the Continental United States.

Technical Soil Services are a function of the USDA-NRCS, under the Soil and Plant Science Division and the National Cooperative Soil Survey (NCSS). TSS are also performed by soil scientists of the U.S. Department of the Inter...

Using Soil Survey to Identify Areas With Risks and Hazards to Human Life and Property

According to the U.S. Census, about 80 percent of the nation’s population lives in urban areas. This fact alone is enough to justify the need to identify, describe, and map urban soils to modern standards.