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Ventilation in metal mines :a preliminary report

Effect of abnormal air conditions on mine workers

Effect on workers of air conditions

Published Year

• 1920-1929 (1)
• 1930-1939 (2)

Subject

• Mine ventilation--United States (3) *
• Mine gases--United States (2)
• Silicosis--United States (1)

Author

• Sayers, R. R. (2)
• Harrington, D. (1)

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