Fluorspar District of Illinois Historical Document Folder: Tower Rock Tract File: Tower Rock Tract.pdf UID: 535
Dates
Dataset Reference Date
2015-09-28
Info Date
1944-01-01
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Tower Rock Tract File: Tower Rock Tract.pdf Type: Report UID: 535
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Tower Rock Tract File: Tower Rock Tract.pdf Type: Report UID: 535