Marl of Holocene and late and middle Wisconsin(?
lgPluvial clay, silt, sand, and dolomite of late Pleistocene age hpPeat and muck (Inland deposits of Holocene and late Wisconsin age) hsFresh-water swamp deposits (Inland deposits of Holocene and late Wisconsin age) hbFresh-water coastal-marsh peat and clay (Coastal deposits of Holocene age) (hd)Swamp deposits and dune sand (Coastal deposits of Holocene age) haMangrove-swamp deposits (Coastal deposits of Holocene age) heAlgal-mat and carbonate deposits (Coastal deposits of Holocene age) hcFresh-water, brackish-water, and (or) saline-marsh deposits of Holocene and late Wisconsin age mcClay and silt (Glaciomarine deposits of late Wisconsin age) meSand and gravel (Glaciomarine deposits of late Wisconsin age) mdDelta deposits (Glaciomarine deposits of late Wisconsin age) (mt)Glaciomarine deposits and till (Glaciomarine deposits of late Wisconsin age) bbQuartz beach sand (Beach deposits of Holocene age (in beaches, spits, tombolos, hooks, and barriers)) baBeach shell-fragment and shell (Bea