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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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| original | Middle Eocene | Hungary | KrivЎn-Hutter,E. Palynologic stratigraphy of the Middle Eocene Coal complexes in the Basin area "Borakas" of the Dorog Brown Coal District. | 1961 | |
| original | Early Tertiary | Japan(Hokkaido I.) | Tokunaga,S. Pollen analysis of the known coal seams in the Biba Bibai area, Sorachi District, Ishikari Coal Fields, Hokkaido. | 1955 |