unconsolidated sand, silt, clay, and gravel
eolian silts
Ninnescah Shale (base N)- mostly red silty shale with some gray shale , argillaceous limestone and dolomite. Wellington FM with Carlton Limestone Member (base CR)-mostly gray and some red shale with minor limestone and dolomite, siltstone, gypsum and anhydrite
unconsolidated dune sand
unconsolidated sand, silt, clay, and gravel