Mineral resources of the United States, 1916: Part II - Nonmetals
Autor: | Hiram Dryer McCaskey, Ernest Francis Burchard, Gerald Francis Loughlin |
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Rok vydání: | 1919 |
Zdroj: | Mineral Resources of the United States. |
DOI: | 10.3133/70175818 |
Databáze: | OpenAIRE |
Externí odkaz: |