Fluorspar District of Illinois Historical Document Folder: Ozark-Mahoning Mining File: Mahoning Logs.pdf UID: 419
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Ozark-Mahoning Mining File: Mahoning Logs.pdf Type: Log UID: 419
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Ozark-Mahoning Mining File: Mahoning Logs.pdf Type: Log UID: 419