Pollen zone

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21	PDF Document Add to Reading List Source URL: jncc.defra.gov.uk Language: English - Date: 2007-07-10 09:07:10 Physical geography Quaternary Glaciology Sediments Climate history Last glacial period Carse Pollen zone Pleistocene Phanerozoic Geologic time scale Holocene
22	PDF Document Add to Reading List Source URL: www.geog.uoregon.edu Language: English - Date: 2006-08-14 19:11:33 Boreal Flora of Canada Biogeography Subalpine zone Pollen analysis Whitebark Pine Flora of the United States Blytt-Sernander Holocene