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3by Tschirhart, Victoria, Percival, John A., Jefferson, Charlie W.Get access
Published in Canadian Journal of Earth Sciences (2015)
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5by Percival, John A., Davis, William J., Hamilton, Michael A.Get access
Published in Canadian Journal of Earth Sciences (2017)
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6by Buchan, Kenneth L, Mortensen, James K, Card, Kenneth D, Percival, John AGet access
Published in Canadian Journal of Earth Sciences (1998)
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Article in Journal/Newspaper