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Coal Mine Ground Control by Syd S. Peng (ISBN: 9780471821717)
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Coal Mine Ground Control Unknown - 1986
by Syd S. Peng
From the publisher
This revision of the standard reference in the field has been updated to reflect the enormous progress made in the sciences of coal mine ground control. Many chapters are completely new and virtually all have been substantially rewritten. The book covers common ground control problems underground, rock properties and in situ stresses, geological effects and roof stability classification and investigation, roof bolting, coal pillars, ground control in longwall mining and multiple-seam mining, bumps, instrumentation, special supports and problems and surface subsidence.
Details
- Title Coal Mine Ground Control
- Author Syd S. Peng
- Binding unknown
- Edition Second edition
- Publisher John Wiley & Sons Inc, New York
- Date 1986
- ISBN 9780471821717
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Book Conditions Explained
Biblio’s Book Conditions
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As NewThe book is pristine and free of any defects, in the same condition as when it was first newly published.
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Fine (F)A book in fine condition exhibits no flaws. A fine condition book closely approaches As New condition, but may lack the crispness of an uncirculated, unopened volume.
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Near Fine (NrFine or NF)Almost perfect, but not quite fine. Any defect outside of shelf-wear should be noted.
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Very Good (VG)A used book that does show some small signs of wear - but no tears - on either binding or paper. Very good items should not have writing or highlighting.
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Good (G or Gd.)The average used and worn book that has all pages or leaves present. ‘Good’ items often include writing and highlighting and may be ex-library. Any defects should be noted. The oft-repeated aphorism in the book collecting world is “good isn’t very good.”
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FairIt is best to assume that a “fair” book is in rough shape but still readable.
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Poor (P)A book with significant wear and faults. A poor condition book can still make a good reading copy but is generally not collectible unless the item is very scarce. Any missing pages must be specifically noted.