Engineering & TechnologyUnderground transportation in the Ruhr coal-mining district of GermanyR. W Stahl![Underground transportation in the Ruhr coal-mining district of Germany]()
Underground transportation in the Ruhr coal-mining district of Germany
R. W Stahl
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“Underground transportation in the Ruhr coal-mining district of Germany” by R. W Stahl: a public-domain book in “Engineering & Technology”, written in…
Catalogue details
- Author
- R. W Stahl
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust