109 resultados para Coal mining


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Prepared in cooperation with U.S. Environmental Protection Agency, Office of Environmental Engineering and Technology.

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Bibliography: p. [160]-162.

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"Bibliographical references": p. [328]-334.

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Caption title.

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Bibliography: leaves 33-34.

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Mode of access: Internet.

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Mode of access: Internet.

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-1898 include also the reports of the State Inspectors of Mines; 1899-1907, Report of the Illinois Free Employment Offices; 1917- , reports of the Miners' Examining Board and the Mine Rescue and First Aid Division (formerly Mine Rescue Station Commission).