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1by Boucot, A. J., Brett, Carlton E., Oliver Jr., W. A., Blodgett, Robert B.“...Early and Middle Devonian fossils from the Sainte-Hélène Island diatreme breccias are criticially...”
Published in Canadian Journal of Earth Sciences (1986)
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2by Desharnais, JoséeSubjects: “...Sainte-Hélène Island (Québec)...”
Published 1998
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Other/Unknown Material -
3“...), Cuba, Costa Rica, Jamaica, Argentina, Denmark, Japan, Switzerland, Kure Island, Sainte-Hélène Island...”
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