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Notes: A Record of Some Pleistocene Trees and Shrubs from Itasca County, Minnesota

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Slightly mineralized wood specimens found beneath about 100 feet of glacial drift in northern Minnesota proved more than 38,000 years old by carbon-14 dating. Present were Picea, Larix laricina, Abies balsamea, Pinus banksiana, Populus, Alnus, Vaccinium, and cones similar to Picea mariana, showing that the forests at that time were similar to those of today.

Document Type: News

Affiliations: Research Foresters, Lake States Forest Expt. Sta., Forest Service, U.S. Dept. Agric.

Publication date: September 1, 1963

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  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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