Sangamonian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Quarternary
 ....Pleistocene
 .....Upper Pleistocene
 ......Sangamonian
RTRiss/Wurm Interglacial
SNPertaining to third interglacial stage of Pleistocene Epoch in North America. Also search Sangamon soil.