40Ar/39Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska

Open-File Report 97-523
By: , and 

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Publication type Report
Publication Subtype USGS Numbered Series
Title 40Ar/39Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska
Series title Open-File Report
Series number 97-523
DOI 10.3133/ofr97523
Edition -
Year Published 1997
Language ENGLISH
Publisher U.S. Geological Survey,
Description 49 p. :ill. (1 col.), map ;28 cm.
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