Lead-Zinc District of Illinois Historical Document Folder: IL-WI Stratigraphy Reports File: Flat and Pitch Deposits Map.pdf UID: 847
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: IL-WI Stratigraphy Reports File: Flat and Pitch Deposits Map.pdf Type: Map UID: 847
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: IL-WI Stratigraphy Reports File: Flat and Pitch Deposits Map.pdf Type: Map UID: 847