Engineering & TechnologyMechanical mining in some bituminous-coal mines. Progress report 5, Extraction of pillars with mechanized equipmentLouis A Turnbull![Mechanical mining in some bituminous-coal mines. Progress report 5, Extraction of pillars with mechanized equipment]()
Mechanical mining in some bituminous-coal mines. Progress report 5, Extraction of pillars with mechanized equipment
Louis A Turnbull
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“Mechanical mining in some bituminous-coal mines. Progress report 5, Extraction of pillars with mechanized equipment” by Louis A Turnbull: a public-domain…
Catalogue details
- Author
- Louis A Turnbull
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust