| Title | Le Terrain Houillier du Nord de la France |
| Abbreviation | Terrain Houill. N. France |
| Authors | J. N. Boulay |
| Publication Dates | Dec 1876 |
| TL2 | 686 |
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| Title | Le Terrain Houillier du Nord de la France |
| Abbreviation | Terrain Houill. N. France |
| Authors | J. N. Boulay |
| Publication Dates | Dec 1876 |
| TL2 | 686 |