916 resultados para Sand and gravel mines and mining
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Mode of access: Internet.
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Reprint of the London, 1888 ed.
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Mode of access: Internet.
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Consists of transactions of various Branches and Divisions of the Institute.
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Mode of access: Internet.
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Includes index.
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Mode of access: Internet.
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Description based on volume 18.
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"June 1996."
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Mode of access: Internet.
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Mode of access: Internet.
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"September 1985."
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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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Council chairman: Lt. Gov. Dave O'Neal.
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Vols. for <1987-1988,1990 include report of Illinois Coal Development Board.