Map showing distribution pattern of tin from samples of the nonmagnetic fraction of heavy-mineral concentrates, northern Sonora, Mexico
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Geology topics
Benjamin Ponce
Publications and source records attributed to Benjamin Ponce.
Map showing distribution pattern of molybdenum from samples of the nonmagnetic fraction of heavy-mineral concentrates, northern Sonora, Mexico
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Open-File Report↗
Map showing distribution pattern of copper from samples of -80 mesh stream sediment, northern Sonora, Mexico
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Open-File Report↗