Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence
| Title | Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence PDF eBook |
| Author | Simon Harry Ash |
| Publisher | |
| Pages | 22 |
| Release | 1946 |
| Genre | Anthracite coal |
| ISBN |
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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
Report of Investigations
| Title | Report of Investigations PDF eBook |
| Author | |
| Publisher | |
| Pages | 764 |
| Release | 1947 |
| Genre | Mineral industries |
| ISBN |
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Report of Investigations. [no.2002 to No.7380]
| Title | Report of Investigations. [no.2002 to No.7380] PDF eBook |
| Author | |
| Publisher | |
| Pages | 874 |
| Release | 1947 |
| Genre | Mineral industries |
| ISBN |
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Bulletin
| Title | Bulletin PDF eBook |
| Author | |
| Publisher | |
| Pages | 642 |
| Release | 1953 |
| Genre | Mines and mineral resources |
| ISBN |
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Carbonizing Properties
| Title | Carbonizing Properties PDF eBook |
| Author | |
| Publisher | |
| Pages | 540 |
| Release | 1951 |
| Genre | Airplanes |
| ISBN |
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Bulletin
| Title | Bulletin PDF eBook |
| Author | United States. Bureau of Mines |
| Publisher | |
| Pages | 658 |
| Release | 1950 |
| Genre | |
| ISBN |
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Information Circular
| Title | Information Circular PDF eBook |
| Author | |
| Publisher | |
| Pages | 630 |
| Release | 1981 |
| Genre | Mines and mineral resources |
| ISBN |
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