The MIDWESTGEO SUPER SOIL KIT is comprised of 9 soil samples that classify within eight USDA textural classifications, but have also been classified according to the Unified Soil Classification System. 

This kit is the most powerful tool ever designed for learning how to classify soil with accuracy and confidence! This unique collection of soil samples is classified using not only the USDA and USCS, but includes instructions and helpful hints for simplifying classification procedures in the field.