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Longwall Thick Seam Mining : Proceedings of the Indo-U. S. Seminar on Longwall Mining System...
by Ramani, Raja V., Ghose, Ajo...
ISBN: 9789061919018
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Engineered Rock Structures in Mining and Civil Construction
by Raghu N. Singh, Ajoy K. Ghose
ISBN: 9780367391386
List Price: $74.95