General & OtherWeathering of the Pittsburgh coal bed at the experimental mine near Bruceton, PaHorace C. Porter![Weathering of the Pittsburgh coal bed at the experimental mine near Bruceton, Pa]()
Weathering of the Pittsburgh coal bed at the experimental mine near Bruceton, Pa
Horace C. Porter
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“Weathering of the Pittsburgh coal bed at the experimental mine near Bruceton, Pa” by Horace C. Porter: a public-domain book in “General & Other”, written in…
Catalogue details
- Author
- Horace C. Porter
- Category
- General & Other
- Language
- English
- Source
- HathiTrust