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  _____      ___               _    _     ______  
 |__  //    / _ \\      ___   | || | ||  /_   _// 
   / //    | / \ ||    /   || | || | ||  `-| |,-  
  / //__   | \_/ ||   | [] || | \\_/ ||    | ||   
 /_____||   \___//     \__ ||  \____//     |_||   
 `-----`    `---`       -|_||   `---`      `-`'   
                         `-`

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Text this: Modified residual soil for the fine-grained layer of capillary barriers