Costs of Mining Under Bolted Roof and Timbered Roof in Bituminous Coal Mines
| Author | : M. J. Ackerman |
| Publisher | : |
| Total Pages | : 32 |
| Release | : 1961 |
| ISBN-10 | : UOM:39015078461558 |
| ISBN-13 | : |
| Rating | : 4/5 ( Downloads) |
Book Synopsis Costs of Mining Under Bolted Roof and Timbered Roof in Bituminous Coal Mines by : M. J. Ackerman
Download or read book Costs of Mining Under Bolted Roof and Timbered Roof in Bituminous Coal Mines written by M. J. Ackerman and published by . This book was released on 1961 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
