Tag Archives: mechanization

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

View/Download entire volume

1960 Proceedings of the Illinois Mining Institute Annual Meeting

Proceedings of the Illinois Mining Institute Annual Meeting – 1960

View/Download entire volume