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Language: en
Pages: 268

Authors: United States. Bureau of Mines

Categories: Cobalt mines and mining

Type: BOOK - Published: 1952 - Publisher:

Language: en
Pages: 636

Authors: United States. Bureau of Mines

Categories: Lead industry and trade

Type: BOOK - Published: 1951 - Publisher:

Language: en
Pages: 296

Authors: United States. Bureau of Mines

Categories: Iron industry and trade

Type: BOOK - Published: 1953 - Publisher:

Language: en
Pages: 726

Authors: United States. Bureau of Mines

Categories: Copper industry and trade

Type: BOOK - Published: 1952 - Publisher:

Language: en
Pages: 272

Authors: United States. Division of Forest Economics

Categories: Forest products

Type: BOOK - Published: 1950 - Publisher: