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Glacial age marsh, Lafayette Park, Washington, D.C.

Science

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Abstract

Organic sediments beneath historic Lafayette Park mark the site of a freshwater marsh which bordered the Potomac River when it was 15 meters above its present level. Plant microfossils and ice-rafted boulders indicate a climate much colder than now. The carbon-14 age of more than 45,000 years and palynological studies suggest an early Wisconsin age.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Glacial age marsh, Lafayette Park, Washington, D.C.
Series title:
Science
Volume
165
Issue:
3895
Year Published:
1969
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
795
Last page:
797
Number of Pages:
3