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<math>C_U=\frac{d_{60}}{d_{10}}</math>
<math>C_U=\frac{d_{60}}{d_{10}}</math>
Permeability (K) was estimated from the 10th percentile using the [[Hazen]] formula.
Permeability (''K'') was estimated from the 10th percentile using the [[Hazen]] formula.
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