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1st Author:
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Gordon, Mackenzie Jr.
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2nd Author:
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3rd Author:
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Year:
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1970 |
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Title:
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Carboniferous ammonoid zones of the south-central and western United States. |
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Reference:
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C.R. Sixième Congrès Internat. Stratigraphie et Géologie Carbonifère, Sheffield 1967, 2: 817-826, 2 text-figs., Sheffield. |
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Keywords:
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Carbon.;USA; Ammonoid Zonation |
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Link:
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