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1
The American Upper Ordovician standard: VII. Stratigraphy and petrology of the Cynthiana and Eden formations of the Ohio Valley
New York [Geological Society of America] 1965“…[Geological Society of America]…”
Format: Book
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2
A System of stages for correlation of Magallanes Basin sediments
Boulder, Colo. : Geological Society of America, 1974“…Geological Society of America,…”
Format: Book
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