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           __   __   _____      ______   _    _   
  ____     \ \\/ // |  __ \\   /_   _// | || | || 
 |    \\    \ ` //  | |  \ ||   -| ||-  | || | || 
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 |  __//     |_||   |_____//   /_____//  \____//  
 |_|`-`      `-`'    -----`    `-----`    `---`   
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Text this: Failures of deep excavation in soils