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Exploration of the Gray and Bautsch lead and zinc deposits, Jo Daviess County, Ill.

Investigation of Royal Princess zinc-lead deposit, Jo Daviess County, Ill.

Metallurgical investigations of the recovery of zinc and iron sulfides from the Gray zinc-iron deposit, Galena, Ill.

Published Year

• 1940-1949 (3)

Subject

• Zinc ores--Illinois--Jo Daviess County (3) *
• Lead ores--Illinois--Jo Daviess County (2)
• Iron ores--Illinois--Jo Daviess County (1)
• Ore-dressing (1)

Author

• Holt, Stephen P. (1)
• Kenworthy, H. (1)
• Lincoln, Francis Church. (1)
• Zinner, Paul. (1)

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