Mineral facts and problems.

Mineral facts and problems.

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Xehetasun bibliografikoak
Erakunde egilea: U.S. Bureau of Mines
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington s.n. 1965.
Saila:Its Bulletin 585
Gaiak:
Mines and mineral resources > United States.
Mineral industies > United States.