Methods of Development and Pillar Extraction in Mining the Pittsburgh Coal Bed in Pennsylvania, West Virginia, and Ohio
| Author | : James Washington Paul |
| Publisher | : |
| Total Pages | : 76 |
| Release | : 1935 |
| ISBN-10 | : UOM:39015077568742 |
| ISBN-13 | : |
| Rating | : 4/5 (42 Downloads) |
Book Synopsis Methods of Development and Pillar Extraction in Mining the Pittsburgh Coal Bed in Pennsylvania, West Virginia, and Ohio by : James Washington Paul
Download or read book Methods of Development and Pillar Extraction in Mining the Pittsburgh Coal Bed in Pennsylvania, West Virginia, and Ohio written by James Washington Paul and published by . This book was released on 1935 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
