Stratigraphic Sections of the Phosphoria Formation Measured and Sampled in 1953

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Stratigraphic Sections of the Phosphoria Formation, 1953

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Stratigraphic Sections of the Phosphoria Formation

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Stratigraphic Sections of the Phosphoria Formation in Utah, 1949-51

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Stratigraphic Sections of the Phosphoria Formation in Idaho, 1950-51

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Stratigraphic Sections of the Phosphoria Formation Measured and Sampled in 1952

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Stratigraphic Sections of the Phosphoria Formation Measured and Sampled in 1951

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Stratigraphic Sections of the Phosphoria Formation in Montana, 1948

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Stratigraphic Sections of the Phosphoria Formation in Wyoming, 1952

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Stratigraphic Sections of the Phosphoria Formation in Wyoming, 1949-50

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