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|a The distribution of manganese in the animikian iron formations of Minnesota /
|c Henry Lepp.
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260 |
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|a ,
|c 1968
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504 |
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|b ca. 15 refs.
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504 |
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|b ca. 15 refs.
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043 |
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|a 73-gx
|2 73
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650 |
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7 |
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100 |
1 |
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|a Lepp, Henry.
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300 |
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|a p. 61-75
|c 27 cm.
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040 |
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|c AR-RiUNS
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866 |
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773 |
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|t ECONOMIC Geology and the bulletin of the Society of Economic Geologists
|w E1
|g Vol. 63, n. 1 (Jan.-Feb. 1968)
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942 |
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|c PP
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999 |
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|c 24093
|d 24093
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