 |
|
A ventilation study of the Graceton Coal & Coke Co. mine, Graceton, Pa.
| Author: | Currie, Robert Dewey, |
|---|---|
| Additional Authors: | Maize, Earl R. |
| Year: | 1932 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6614 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6614 |
| Subjects: | Coal mines and mining--Pennsylvania--Safety measures |
| Mine ventilation | |
| Link: | https://hdl.handle.net/2027/mdp.39015086485466 |
Search developed and maintained by the University of Washington Libraries
Copyright 2010