Coal mining.
Saved in:
| OCLC: | 10011344 |
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| Language: | English |
| Published: |
Pittsburgh.
|
| Related Items: | Continues:
Modern mining. |
| Global Resources Program: | Southeast Asia Materials Project (SEAM) |
| Format: | Serial Note that CRL will digitize material from the collection when copyright allows. |
| Published: | v. 5, no. 5- ; May 1928- |
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| Physical Description: | v. ill. |
| Publication Frequency: | Monthly. |