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site --------------------------------------------------------------------- site
                  type:  string (str4)

         unique values:  49                   coded missing:  0 / 49

              examples:  "mhb4"
                         "mhe1"
                         "mhg3"
                         "mhk1"


mdepth -------------------------------------------------------- Mean Depth (cm)
                  type:  numeric (float)

                 range:  [4.1,57.1]                   units:  .1
         unique values:  46                   coded missing:  0 / 49

                  mean:   18.2143
              std. dev:   11.2204

           percentiles:        10%       25%       50%       75%       90%
                              5.5       9.3      16.5      23.5      33.2


mwidth --------------------------------------------------------- Mean Width (m)
                  type:  numeric (float)

                 range:  [.8,6.9]                     units:  .1
         unique values:  33                   coded missing:  0 / 49

                  mean:   3.21429
              std. dev:   1.63108

           percentiles:        10%       25%       50%       75%       90%
                              1.1         2       3.1       4.4       5.5


mvelo ------------------------------------------ Mean Current Velocity (cm/sec)
                  type:  numeric (float)

                 range:  [3.6,43.2]                   units:  .1
         unique values:  43                   coded missing:  0 / 49

                  mean:   14.7449
              std. dev:    8.9044

           percentiles:        10%       25%       50%       75%       90%
                              4.3       6.7      14.1        20      25.7


silt --------------------------------------------------------- % silt substrate
                  type:  numeric (float)

                 range:  [0,52.9]                     units:  .1
         unique values:  44                   coded missing:  0 / 49

                  mean:   21.7673
              std. dev:   14.6409

           percentiles:        10%       25%       50%       75%       90%
                              8.7      11.7      18.3        30      48.8


leaves ----------------------------------------------------- % leaves substrate
                  type:  numeric (float)

                 range:  [0,32.2]                     units:  .1
         unique values:  38                   coded missing:  0 / 49

                  mean:   8.95918
              std. dev:   8.03775

           percentiles:        10%       25%       50%       75%       90%
                                0       2.4       7.1      12.9        22


sand --------------------------------------------------------- % sand substrate
                  type:  numeric (float)

                 range:  [6.3,87.5]                   units:  .1
         unique values:  48                   coded missing:  0 / 49

                  mean:   53.4837
              std. dev:   22.4099

           percentiles:        10%       25%       50%       75%       90%
                             20.7      37.8      55.8      73.5      81.2


mud ----------------------------------------------------------- % mud substrate
                  type:  numeric (float)

                 range:  [0,50]                       units:  .1
         unique values:  22                   coded missing:  0 / 49

                  mean:   4.90612
              std. dev:   10.1403

           percentiles:        10%       25%       50%       75%       90%
                                0         0         0         4      14.8

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