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Lae and Ujae health surveys

Lae and Ujae health surveys

Journal 9/30/1977 P3 Pacific manganese interests scientists Scientists from around the world are examining manganese “rocks” found in the Pacific Ocean with greater interest than ever before. The reason is that the demand for valuable hard-minerals has doubled in the past 20 years, and experts now predict the value will double again in the next […]

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