Iowa Soil Sand Content Maps [gSSURGO]

Sand as a soil separate consists of mineral soil particles that are 0.05 mm to 2 mm in diameter. In the database, the estimated sand content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 mm in diameter. The content of sand, silt, and clay affects the physical behavior of a soil. Particle size is important for engineering and agronomic interpretations, for determination of soil hydrologic qualities, and for soil classification.

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Available Depths


  • 0 – 5 cm            • 5 – 20 cm
  • 0 – 20 cm          • 20 – 50 cm
  • 0 – 30 cm          • 50 – 100 cm
  • 0 – 100 cm        • 100 – 150 cm
  • 0 – 150 cm        • 150 – 200 cm
  • 0 – 200 cm

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