✦ LIBER ✦
Census of mining engineers and metallurgists in the United States: Van H. Manning. (Circular letter, U. S. Bureau of Mines, April 5, 1917)
- Publisher
- Elsevier Science
- Year
- 1917
- Tongue
- English
- Weight
- 129 KB
- Volume
- 183
- Category
- Article
- ISSN
- 0016-0032
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