Natural Levees

Gray and brown silt, silty clay, some very fine sand, reddish brown along the Red River.
State Louisiana
Name Natural Levees
Geologic age Holocene
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay (Alluvial)
Unconsolidated > Fine-detrital > Silt (Alluvial)
Minor
Unconsolidated > Coarse-detrital > Sand (Alluvial)
Comments Shown only on past and present courses of major streams.
References

Snead, J.I., and Mcculloh, R.P., 1984, Geologic Map of Louisiana: Louisiana Geological Survey, scale 1:500,000.

NGMDB product
Counties Ascension - Assumption - Avoyelles - Bienville - Bossier - Caddo - Caldwell - Catahoula - Concordia - De Soto - East Baton Rouge - East Carroll - East Feliciana - Evangeline - Franklin - Grant - Iberia - Iberville - Jefferson - Lafayette - Lafourche - La Salle - Madison - Morehouse - Natchitoches - Orleans - Ouachita - Plaquemines - Pointe Coupee - Rapides - Red River - Richland - Saint Bernard - Saint Charles - Saint James - Saint John the Baptist - Saint Landry - Saint Martin - Saint Mary - Tensas - Terrebonne - Union - West Baton Rouge - West Feliciana - Winn