Fluorspar District of Illinois Historical Document Folder: Ozark-Mahoning Mining File: Summary of Drilling.pdf UID: 434
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Ozark-Mahoning Mining File: Summary of Drilling.pdf Type: Misc Data UID: 434
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Ozark-Mahoning Mining File: Summary of Drilling.pdf Type: Misc Data UID: 434