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Mining of consolidated clay ironstone layers using continuous materials handling technology | operational experience gained and technical solutions developed in the Hambach opencast lignite mine | Houben, Bernd; Schollmeyer, P. | 2013 | |
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Planung und Auffahrung von Strecken in einem gasausbruchsgefährdeten Flöz | Hellwig, R.; Imgenberg, D. | 2013 | |
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Achieving resource efficiency by co-extracting sand and gravel in Rhenish opencast lignite mines | Eyll-Vetter, Michael; Drijver, Jacobus den | 2013 |
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