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071221c19709999||| 00 0 eng d |
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|a First occurrence of manganese ores in Northern Nigeria /
|c J. B. Wright and P. McCurry.
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| 260 |
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|a ,
|c 1970
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| 504 |
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|b ca. 10 refs.
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| 504 |
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|b ca. 10 refs.
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| 650 |
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7 |
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| 100 |
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|a Wright, J. B..
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| 700 |
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|a McCurry, P..
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| 300 |
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|a p. 103-106
|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. 65, n. 2 (Mar.-Apr. 1970)
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| 942 |
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|c PP
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| 999 |
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|c 24195
|d 24195
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