Bayou de Loutre near Farmerville, La.

Computed roughness coefficient: Manning's n= 0.11 Date of flood: March 18, 1973 Date of photograph: February 14, 1979 Depth of flow on flood plain: 3.7 ft Description of flood plain: The vegetation of the flood plain is primarily large, tall trees, including oak, gum, ironwood, and pine. The base is firm soil and has slight surface irregularities and obstructions caused by downed trees and limbs. Ground cover and undergrowth are negligible.