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Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois

Description: Report issued by the Bureau of Mines over studies conducted on the Blewett zinc-lead mine of Illinois. Samples obtained through churn-drill and diamond drill holes are analyzed. This report includes tables, maps, and illustrations.
Date: September 1948
Creator: Holt, Stephen P.
Partner: UNT Libraries Government Documents Department