Tag Archives: coal age

1962 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1962

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1961 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1961

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1960 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1960

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1959 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1959

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1958 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1958

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1953 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1953

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1952 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1952

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