Unconsolidated > Fine-detrital > Clay (Terrace-stream)
Unconsolidated > Fine-detrital > Silt (Terrace-stream)
Unconsolidated > Coarse-detrital > Sand (Terrace-stream)
Unconsolidated > Coarse-detrital > Gravel (Terrace-stream)
|Comments||Surfaces are highly dissected and less continuous than lower terraces. Composed of terraces fomerly designated as Williana, Citronelle, and the highest Bentley.|
Snead, J.I., and Mcculloh, R.P., 1984, Geologic Map of Louisiana: Louisiana Geological Survey, scale 1:500,000.
|Counties||Allen - Beauregard - Bienville - Bossier - Catahoula - Grant - La Salle - Natchitoches - Rapides - Red River - Sabine - Saint Helena - Saint Tammany - Tangipahoa - Vernon - Washington - Webster - Winn|