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pubs.usgs.gov · MD DESCRIPTION OF SAIQLES or ORDOVICIAN SILURIAN C Age: O, Ordovician; S, Silurian) 196S SHALE FACIES (srr 4) locality and description Sec, 10

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Page 1: pubs.usgs.gov · MD DESCRIPTION OF SAIQLES or ORDOVICIAN SILURIAN C Age: O, Ordovician; S, Silurian) 196S SHALE FACIES (srr 4) locality and description Sec, 10

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