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Aeolian features ; C 14 dating ; Climatic cycle ; Drought ; Geochemistry ; Holocene ; Mineralogy ; Nebraska ; Palaeogeography ; Quaternary ; Stratigraphy ; United States of America
(supprimer)
The age of sand dunes in the Nebraska Sand Hills has been controversial, with some investigators suggesting a full-glacial age and others suggesting that they were last active in the late Holocene. New radiocarbon ages of unaltered bison bones