Alluvial deposits on one or more terrace levels
Contains lenses of gravel and clay
Alluvial deposits of local streams or of overbank flow of major streams - In some areas includes deposits in abandoned meanders of major streams
Deposited mostly on terrace deposits of the second level. Younger than some terrace deposits, older than others
Wilcox Group
Claibourne Group
Sand and gravel
Alluvium - clay, silt, sand, and gravel.