Lead-Zinc District of Illinois Historical Document Folder: Alteration Mineralization (Plans and calculations) File: Method of Calculating Feet of ZnS Equivalent to percent of Zn.pdf UID: 719
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Alteration Mineralization (Plans and calculations) File: Method of Calculating Feet of ZnS Equivalent to percent of Zn.pdf Type: Report UID: 719
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Alteration Mineralization (Plans and calculations) File: Method of Calculating Feet of ZnS Equivalent to percent of Zn.pdf Type: Report UID: 719
Lead-Zinc District of Illinois Historical Document Folder: Alteration Mineralization (Plans and calculations) File: Method of Calculating Feet of ZnS Equivalent to percent of Zn.pdf UID: 719
NGGDPP Item Extension
alternateGeometry
SEC 17 T28N R1E, JoDaviess County, IL (Lead-Zinc district representative location)