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A treatise on coal mining : prepared for students of the International Correspondence Schools, Scranton, Pa. ...
Content Provider | Internet Archive |
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Author | International Correspondence Schools |
Organization | University of Michigan |
Language | English |
Publisher | Scranton : The Colliery Engineer Co. |
Publisher Date | 1901-01-01 |
Access Restriction | Open |
Subject Keyword | pressure piston diameter inches working coal square inch economic geology cubic feet applying formula working face cubic foot coal fields piston speed upper surface Coal mines and mining |
Content Type | Text |
Resource Type | Book |