Tenmile Creek near Elizabeth, La.

Computed roughness coefficient: Manning's n= 0.15 Date of flood: December 7, 1971 Date of photograph: April 12, 1979 Depth of flow on flood plain: 4.1 ft Description of flood plain: The vegetation of the flood plain is large and small trees, including oak, gum, and ironwood. The base is firm soil and has minor surface irregularities caused by rises and depressions. Obstructions are negligible (some exposed roots). Ground cover is negligible, and undergrowth is minimal.