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Geological Survey Professional Paper
Language: en
Pages: 838
Authors: Geological Survey (U.S.)
Categories: Geology
Type: BOOK - Published: 1968 - Publisher:

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Mining and Beneficiation of Appalachian Manganese Ores
Language: en
Pages: 102
Authors: Edmund Newton
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Type: BOOK - Published: 1941 - Publisher:

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Annual Report of the Department of the Interior
Language: en
Pages: 1542
Authors: United States. Department of the Interior
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Type: BOOK - Published: 1920 - Publisher:

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Annual Report
Language: en
Pages: 1548
Authors: United States. Dept. of the Interior
Categories: Natural resources
Type: BOOK - Published: 1920 - Publisher:

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Bulletin - Colorado Geological Survey
Language: en
Pages: 776
Authors: Colorado Geological Survey
Categories: Geology
Type: BOOK - Published: 1919 - Publisher:

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