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The use and value of air analyses in Illinois mines

Mining methods of the Rosiclare Lead & Fluospar Mining Co., Rosiclare, Illinois

Published Year

• 1930-1939 (2) *

Subject

• Mines and mineral resources--Illinois (2) *
• Air--Analysis (1)
• Fluorspar--Illinois (1)

Author

• Cronk, A. H. (1)
• Miller, A. U. (1)

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