Engineering & TechnologyModified longwall mining with a German coal planer. Progress report 2, Completion of mining in three adjacent panels in the Pocahontas no. 4Wilbur A Haley![Modified longwall mining with a German coal planer. Progress report 2, Completion of mining in three adjacent panels in the Pocahontas no. 4]()
Modified longwall mining with a German coal planer. Progress report 2, Completion of mining in three adjacent panels in the Pocahontas no. 4
Wilbur A Haley
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“Modified longwall mining with a German coal planer. Progress report 2, Completion of mining in three adjacent panels in the Pocahontas no. 4” by Wilbur A…
Catalogue details
- Author
- Wilbur A Haley
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust