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3461Published 1925Subjects: “...United States. Bureau of Mines. http://id.loc.gov/authorities/names/n79063444...”
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Government Document Serial -
3462Published 1924Subjects: “...United States. Bureau of Mines. http://id.loc.gov/authorities/names/n79063444...”
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Government Document eBook -
3463Published 1934Subjects: “...Fuel. http://id.loc.gov/authorities/subjects/sh85052213...”
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Government Document eBook -
3464Published 1935Subjects: “...Laboratories. http://id.loc.gov/authorities/subjects/sh85073739...”
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Government Document eBook -
3465Published 1937Subjects: “...Research. http://id.loc.gov/authorities/subjects/sh85113021...”
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Government Document eBook -
3466Published 1938Subjects: “...Research. http://id.loc.gov/authorities/subjects/sh85113021...”
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Government Document eBook -
3467Published 1938Subjects: “...Research. http://id.loc.gov/authorities/subjects/sh85113021...”
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Government Document eBook -
3468Published 1937Subjects: “...Research. http://id.loc.gov/authorities/subjects/sh85113021...”
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Government Document eBook -
3469Published 1938Subjects: “...Geology. http://id.loc.gov/authorities/subjects/sh85054037...”
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Government Document eBook -
3470Published 1938Subjects: “...Research. http://id.loc.gov/authorities/subjects/sh85113021...”
Electronic resource (PDF)
Government Document eBook -
3471Published 1938Subjects: “...Mine accidents. http://id.loc.gov/authorities/subjects/sh85085495...”
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Government Document eBook -
3472Published 1939Subjects: “...Mine accidents. http://id.loc.gov/authorities/subjects/sh85085495...”
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Government Document eBook -
3473Published 1939Subjects: “...Mine accidents. http://id.loc.gov/authorities/subjects/sh85085495...”
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Government Document eBook -
3474Published 1939Subjects: “...Mine accidents. http://id.loc.gov/authorities/subjects/sh85085495...”
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Government Document eBook -
3475Published 1933Subjects: “...Mine accidents. http://id.loc.gov/authorities/subjects/sh85085495...”
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Government Document eBook -
3476Published 1937Subjects: “...Government publications. http://id.loc.gov/authorities/subjects/sh85056095...”
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Government Document eBook -
3477Published 1938Subjects: “...Mine accidents. http://id.loc.gov/authorities/subjects/sh85085495...”
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Government Document eBook -
3478Published 1934Subjects: “...Coal-cutting bits. http://id.loc.gov/authorities/subjects/sh85027343...”
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Government Document eBook -
3479Published 1936Subjects: “...Carbon and graphite products. http://id.loc.gov/authorities/subjects/sh00006227...”
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Government Document eBook -
3480Published 1930Subjects: “...Carbon and graphite products. http://id.loc.gov/authorities/subjects/sh00006227...”
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Government Document eBook