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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 | Miocene | Washington | Biaggi,R.E. et al. Palynology of the Micocene Latah Formation, Northeastern Washington. | 1984 | |
| details | Late Miocene | Washington | Ballog,R.A. et al. Palynology of the Montesano Formation (Upper Miocene) of Western Washington. | 1972 | |
| details | Quaternary | Wyoming | Santucci,V.L. The Yellowstone Paleontological Survey. | 1998 |