| 000 | 00353nam a22000857a 4500 | ||
|---|---|---|---|
| 008 | 220403s1975 us ||||| |||| 00| 0 eng d | ||
| 100 |
_aHopkins, M. E. _9231078 |
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| 245 |
_aReserves of the herrin (no. 6) coal in the fairfield basin in southeastern illinois / _cM. E. Hopkins; G. J. Allgaier. |
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| 264 |
_aUrbana : _bIllinois State Geological Survey, _c1975. |
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| 999 |
_c580388 _d580386 |
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