The Colliery Engineering, Vol. 33: Mines and Minerals, August 1912, to July 1913 (Classic Reprint) - Couverture souple

Unknown Author

Couverture souple

ISBN 10 : 1330321588 ISBN 13 : 9781330321584

Editeur : Forgotten Books, 2018

Synopsis

Excerpt from The Colliery Engineering, Vol. 33: Mines and Minerals, August 1912, to July 1913

The No. 2 Lumaghi mine works the No. 6 seam, which is 8 feet high and practically ''level, although rolls or horsebacks occur in some localities. The coal varies in hard ness in''different parts of the mine, but is free from sulphur or other impurities.

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Détails de l'édition

• Éditeur: Forgotten Books
• Date d'édition: 2018
• Langue: anglais
• ISBN 10: 1330321588
• ISBN 13: 9781330321584
• Reliure: Broché
• Nombre de pages: 742
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