Lead-Zinc District of Illinois Historical Document Folder: Trace Elements File: Analysis of North Drill holes 20 and 18.pdf UID: 1009
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Trace Elements File: Analysis of North Drill holes 20 and 18.pdf Type: Lab results UID: 1009
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Trace Elements File: Analysis of North Drill holes 20 and 18.pdf Type: Lab results UID: 1009