Engineering & TechnologyMechanical mining in some bituminous-coal mines. Progress report 8, Methods and equipment used in underground developmentJ. J Shields![Mechanical mining in some bituminous-coal mines. Progress report 8, Methods and equipment used in underground development]()
Mechanical mining in some bituminous-coal mines. Progress report 8, Methods and equipment used in underground development
J. J Shields
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“Mechanical mining in some bituminous-coal mines. Progress report 8, Methods and equipment used in underground development” by J. J Shields: a public-domain…
Catalogue details
- Author
- J. J Shields
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust