| Post-Glacial Sediments - alluvial valley |
| Post-Glacial Sediments - organic sediments in depressions and abandoned sluiceways |
| Post-Glacial Sediments - sand dunes |
| Post-Glacial Sediments - alluvial and palustrine sediments in the floor of the Wabash-Erie Channel |
| Post-Glacial Sediments - spits, bars and small beach ridges |
| Post-Glacial Sediments - beach ridges |
| Outwash Associations (chiefly Erie Lobe) - outwash in fans and meltwater channels |
| Outwash Associations (chiefly Erie Lobe) - outwash in the Eel River Valley |
| Outwash Associations (chiefly Erie Lobe) - tunnel valley (Cedar Creek Canyon) |
| Lagro Formation (Erie Lobe) - eskers and channel fills enclosed in clayey till |
| Lagro Formation (Erie Lobe) - till plain |
| Lagro Formation (Erie Lobe) - end moraine |
| Lagro Formation (Erie Lobe) - water-washed till plain |
| Lagro Formation (Erie Lobe) - lacustrine plain |
| Lagro Formation (Erie Lobe) - hummocky interlobate landscape |
| Huntertown Formation (Saginaw Lobe) - older loamy till and sand exposed in the Eel River Valley |
| Trafalgar Formation (Huron-Erie Lobe) - older sand and gravel exposed in ravines and stream valleys |
| Trafalgar Formation (Huron-Erie Lobe) - older till exposed in ravines and stream valleys |
