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From
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To
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Geolocation
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Author - title
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Year
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| details | Late Pliocene | Alaska | Nelson,R,E. et al. Pollen analysis of a Late Pliocene and Early Pleistocene section from the Gubik Formation of Arctic Alaska. | 1985 | |
| details | Pliocene | Quaternary | Colombia | Andriessen,P.A.M. et al. Absolute chronology of the Pliocene-Quaternary sediment sequenc the Bogota area, Colombia. | 1993 |