936 resultados para Underground Mine
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Includes bibliographical references.
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Mode of access: Internet.
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Mode of access: Internet.
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Includes bibliographical references.
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1909-18, 1927-34, 1936, 1938 issued in 2 vols. each year; 1919-24, issued in 3 vols. each year.
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"B-270716"--P. 1.
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Mode of access: Internet.
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"BLM-NM-ES-86-018-4134."
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Mode of access: Internet.
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At head of title: 94th Congress, 1st session. Committee print.
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"Coal Industry Advisory Committee to the Ohio River Valley Water Sanitation Commission. Research project no. 370-8."
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"Commonwealth of Pennsylvania Department of Health. Industrial fellowship no. 326B-6."
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Mode of access: Internet.
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No more published?
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Adam C. Powell, chairman.