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|a X-ray study of coal from Logan county, West Virginia, and discussion of the structure of coal /
|c Robert S. Young and David S. Robertson.
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| 260 |
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|a ,
|c 1952
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| 504 |
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|b 32 refs.
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|b 32 refs.
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|a 73-gx
|2 73
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|a Young, Robert S..
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|a Robertson, David.
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|a p. 609-633
|b il.
|c 23 cm.
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|c AR-RiUNS
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| 866 |
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|t ECONOMIC Geology and the bulletin of the Society of Economic Geologists
|w E1
|g Vol. 47, n. 6 (Sept.-Oct. 1952)
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| 942 |
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|c PP
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| 999 |
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|c 20876
|d 20876
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