Sixmile Creek near Sugartown, La.

Computed roughness coefficient: Manning's n= 0.18 Date of flood: March 23, 1973 Date of photograph: April 11, 1979 Depth of flow on flood plain: 5.0 ft Description of flood plain: The vegetation of the flood plain is large trees, including oak, gum, ironwood, and pine. The base is firm soil and has moderate surface irregularities caused by rises and depressions. Obstructions are negligible (a few vines). Ground cover and undergrowth are negligible.