Home / Geology, Gold & Mining / Longwall Mining Longwall Mining Syd S. PengMorgantown: Department of Mining Engineering, West Virginia University, 2006.Second Edition. Signed by Author23cm x 16cm. xiii, 621 pages. White bonded leather, black lettering, pictorial jacket.. Fine Condition. SOLD Add to WishlistOn your Wishlist - View List Add to Wishlist SKU: 0016763 Category: Geology, Gold & Mining