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Phosphates --- Agriculture --- Phosphates --- Agriculture
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Phosphates --- -Geology, Stratigraphic --- -Mines and mineral resources -
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Geology --- Geology, Stratigraphic --- Geology, Stratigraphic --- Phosphates --- Geology. --- Geology, Stratigraphic. --- Mississippian Geologic Period. --- Permian Geologic Period. --- Phosphates. --- From 230 to 345 million years ago --- Utah
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Geology --- Geology, Stratigraphic --- Geology, Stratigraphic --- Phosphates --- From 230 to 345 million years ago --- Utah
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Geology, Stratigraphic --- Mines and mineral resources --- Phosphates --- Geology, Stratigraphic. --- Mines and mineral resources. --- Permian Geologic Period. --- Phosphates. --- From 230 to 280 million years ago --- Missouri River Watershed. --- Missouri River Watershed. --- Montana.
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Geology, Stratigraphic --- Mines and mineral resources --- Phosphates --- From 230 to 280 million years ago --- Missouri River Watershed. --- Montana.
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