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Recent content by minedrainageguy

  1. minedrainageguy

    Manning roughness coefficients for Grass lined creeks

    Thank you Iha!!! The HEC 15 reference is exactly what I am looking for!!! YOU HAVE MADE MY WEEK!
  2. minedrainageguy

    Manning roughness coefficients for Grass lined creeks

    I have been working on the exact same issue as bleugene (needing to compute manning's 'n' for open channel flow), I want the formula that was used to generate the nomographs that the NRCS provides in tp-61 (last updated in 1966 when they converted to SI units) I used spreadsheets for designing...

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