Lead-Zinc District of Illinois Historical Document Folder: Geology Aids Prospecting for Zinc File: Prospect Drilling.tif UID: 836
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Geology Aids Prospecting for Zinc File: Prospect Drilling.tif Type: Photograph UID: 836
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Geology Aids Prospecting for Zinc File: Prospect Drilling.tif Type: Photograph UID: 836