871 resultados para underground mining
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Mode of access: Internet.
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"Fall 1994."
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"September, 1981."
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This report is the fourth in a series to assess the availability of coal resources for future mining in Illinois.
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Includes bibliographical references (p. 39-40).
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Includes bibliographical references (p. 50-52)
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Includes bibliographical references (p. 41-43).
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Project no.: 80.214.
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Information for potential buyers of abandoned commercial properties in Illinois that have underground storage tanks.
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"Sept. '05." -- Cover p. [4].
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Cover title.
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Includes bibliographical references.
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Published cooperatively by the Department of Energy and Natural Resources, Illinois State Geological Survey, Illinois State Water Survey, and Hazardous Waste Research and Information Center.
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"HWRIC RR 008." -- Cover.
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Cover title.