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Geologic names of the United States through 1975
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Geology and phosphate deposits of the Permian rocks in central western Montana
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Geology of the Christmas copper mine, Gila County, Arizona
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Mineral resources in Permian rocks of southwest Montana
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Progress report on investigations of western phosphate deposits
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Stratigraphic sections of the Phosphoria Formation in Montana
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Stratigraphic sections of the Phosphoria Formation in Montana, 1947-48
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Stratigraphic sections of the Phosphoria Formation, 1953
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