Backfilling Problem In The Anthracite Region As It Relates To Conservation Of Anthracite And Prevention Of Subsidence
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| Author | : Simon Harry Ash |
| Publisher | : |
| Total Pages | : 22 |
| Release | : 1946 |
| Genre | : Anthracite coal |
| ISBN | : |
Federal participation in a cooperative "backfilling" program to prevent surface cave-ins in the anthracite region of Pennsylvania is recommended in this report, which describes a plan for filling worked-out underground areas with waste or other material. Presents the various systems of backfilling and the technical problems involved. Bibliography included
| Author | : Ralph H. Whaite |
| Publisher | : |
| Total Pages | : 558 |
| Release | : 1975 |
| Genre | : Mining engineering |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 764 |
| Release | : 1947 |
| Genre | : Mineral industries |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 874 |
| Release | : 1947 |
| Genre | : Mineral industries |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 642 |
| Release | : 1953 |
| Genre | : Mines and mineral resources |
| ISBN | : |
| Author | : Gary J. Colaizzi |
| Publisher | : |
| Total Pages | : 108 |
| Release | : 1981 |
| Genre | : Abandoned coal mines |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 540 |
| Release | : 1951 |
| Genre | : Airplanes |
| ISBN | : |
| Author | : United States. Bureau of Mines |
| Publisher | : |
| Total Pages | : 658 |
| Release | : 1950 |
| Genre | : |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 630 |
| Release | : 1981 |
| Genre | : Mines and mineral resources |
| ISBN | : |
| Author | : Robert S. Sanford |
| Publisher | : |
| Total Pages | : 1148 |
| Release | : 1948 |
| Genre | : Manganese |
| ISBN | : |
