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U.S. Department of Agriculture textural classification
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American Association of State Highway and Transportation Officials
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American Association of State Highway and Transportation Officials
(AASHTO)
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American Association of State Highway and Transportation Officials
(AASHTO)
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Unified soil classification system (USCS)
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S – Sand
C – Clay
M – Silt
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P – poorly graded
L – low plasticity
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C – ClayM – Silt
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Plasticity chart for unified soil classification system
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Indian Standard (Soil) Classification System (IS:1498 – 1970)
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