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.

Map shows early nineteenth century northern Illinois township grid, existing towns, roads, marshlands and flood plains. Inset: "Vicinity of Galena, the lead region, and part of Wisconsin Territory." Includes notes on historical events with dates and text: "Public lands" and "Land districts." Scale not given.

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The house which was presented by the citizens of the town at the end of the Civil war."