link
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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 | Early Miocene | Middle Miocene | Alaska | Wolfe,J.A. Neogene floristic and vegetational history of the Pacific Northwest. | 1969 |
details | Oligocene | Pliocene | Alaska | Merritt,R.D. Coal geology and resources of the Nenana Basin, Alaska. | 1986 |
details | Oligocene | Pliocene | Alaska | Merritt,R.D. Coal atlas of the Nenana Basin, Alaska. | 1985 |