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4by Marvin, Ursula B., Mason, BrianGet access
Published in Smithsonian Contributions to the Earth Sciences (1980)
Article in Journal/Newspaper -
5by Marvin, Ursula B., Mason, BrianGet access
Published in Smithsonian Contributions to the Earth Sciences (1984)
Article in Journal/Newspaper -
6by Marvin, Ursula B., Mason, BrianGet access
Published in Smithsonian Contributions to the Earth Sciences (1982)
Article in Journal/Newspaper -
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8by Marvin, Ursula B., MacPherson, Glenn J.Get access
Published in Smithsonian Contributions to the Earth Sciences (1992)
Article in Journal/Newspaper