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Download or read book Thick seam Mining in the Western United States geological Considerations written by Donna L. Boreck and published by . This book was released on 1986 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Multislice mining for thick western coal seams written by T. D. Hackett and published by . This book was released on 1990 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Three Potential Longwall Mining Methods for Thick Coal Seams in the Western United States written by Richard H. Oitto and published by . This book was released on 1979 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Thick seam Mining in the Western United States geological Considerations written by Donna L. Boreck and published by . This book was released on 1986 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
