Lead-Zinc District of Illinois Historical Document Folder: Geology Aids Prospecting for Zinc File: Handwritten Notes.pdf UID: 828
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: Handwritten Notes.pdf Type: Memorandum/Notes UID: 828
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Geology Aids Prospecting for Zinc File: Handwritten Notes.pdf Type: Memorandum/Notes UID: 828