Late Wisconsin loess less than 2 m thick over older late Wisconsin and early Wisconsin(?) or Illinoian(?) till
"Wisconsin" loess and eolian sand over "Yarmouth-Sangamon" to late Sangamon paleosol developed in pre-Illinoian till--Loess more than 6 m thick
"Wisconsin" loess and eolian sand over "Yarmouth-Sangamon" to late Sangamon paleosol developed in pre-Illinoian till--Loess and sand 2-6 m thick
"Wisconsin" loess and eolian sand over "Yarmouth-Sangamon" to late Sangamon paleosol developed in pre-Illinoian till--Loess 2-4 m thick, locally more than 6 m thick, with or without paleosol
"Wisconsin" loess and eolian sand or loamy sediment over extensive erosion surface on pre-Illinoian till--Paleosol generally absent--Loess and minor sand more than 6 m thick
"Wisconsin" loess and eolian sand over Sangamon or late Sangamon paleosol developed in Illinoian till or other Illinoian deposit--Loess and sand more than 6 m thick
"Wisconsin" loess and eolian sand over Sangamon or late Sangamon paleosol developed in Illinoian till or other Illinoian deposit--Loess and sand 2-6 m thick
"Wisconsin" loess and eolian sand over Sangamon or late Sangamon paleosol developed in Illinoian till or other Illinoian deposit--Loess and sand 2-6 m thick--Sangamon paleosol generally absent
"Wisconsin" loess and eolian sand over "Yarmouth-Sangamon" to late Sangamon paleosol developed in pre-Illinoian till--Loess 2-6 m thick
"Wisconsin" loess and eolian sand or loamy sediment over extensive erosion surface on pre-Illinoian till--Paleosol generally absent--Loess 2-6 m thick
"Wisconsin" loess and eolian sand or loamy sediment over extensive erosion surface on pre-Illinoian till--Paleosol generally absent--Loess or sand less than 2 m thick or loamy sediment less than 1 m thick
"Wisconsin" loess more than 6 m thick over Sangamon paleosol in 2-6 m of Loveland Loess (Illinoian) over Yarmouth paleosol developed in pre-Illinoian till