Legend (Isee/USA_NE_Parent_Materials_2)

Isee_IPR.DBO.USA_NE_Parent_Materials_2 (0) Alluvium on Floodplains Alluvium on Uplands and Terraces Organic Materials Deep Loess / Deep Silty Sediments Eolian Sands / Sandy Sediments Clayey and Silty Lacustrine Deposits Pre-Illinoian Till Pre-Illinoian Outwash Residuum from Carbonate Rocks Residuum from Calcareous Clastic Rocks Residuum from Acid Clastic Rocks Colluvium from Calcareous Clastic Rocks Disturbed Areas / Urban Land / Mining Regolith / Pits Water