Cotter and Jefferson City Dolomites
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
Sand and clay
Alluvial deposits on one or more terrace levels
Alluvial deposits of present streams and on one or more terrace levels
Alluvial deposits in major stream channels or in mappable meanders of major streams - Includes alluvial deposits in natural levees in some areas.
Gravel on isolated hills within 40 miles (64km) of the Mississippi Embayment. Many small deposits to the west not shown
Fine crystalline, silty, cherty dolomite, and oolitic chert with local sandstone beds.