Politics & EconomicsSealing a coal-mine passageway through a borehole : a progress reportJohn Nagy![Sealing a coal-mine passageway through a borehole : a progress report]()
Sealing a coal-mine passageway through a borehole : a progress report
John Nagy
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“Sealing a coal-mine passageway through a borehole : a progress report” by John Nagy: a public-domain book in “Politics & Economics”, written in English…
Catalogue details
- Author
- John Nagy
- Category
- Politics & Economics
- Language
- English
- Source
- HathiTrust