Fluorspar District of Illinois Historical Document Folder: Geochemical Prospecting - Hardin County File: Geochemical Prospecting Profile and Map.pdf UID: 809
Dates
Dataset Reference Date
2015-09-28
Info Date
1955-01-01
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Geochemical Prospecting - Hardin County File: Geochemical Prospecting Profile and Map.pdf Type: Map UID: 809
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Geochemical Prospecting - Hardin County File: Geochemical Prospecting Profile and Map.pdf Type: Map UID: 809
Fluorspar District of Illinois Historical Document Folder: Geochemical Prospecting - Hardin County File: Geochemical Prospecting Profile and Map.pdf UID: 809