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Journal List > Proc Natl Acad Sci U S A > v.7(8); Aug 1921

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Proc Natl Acad Sci U S A. 1921 August; 7(8): 249–251.
PMCID: PMC1084863
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Melanovanadite, A New Mineral from Mina Ragra, Pasco, Peru
Waldemar Lindgren
Department of Mining, Metallurgy and Geology, Massachusetts Institute of Technology
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