Fluorspar District of Illinois Historical Document Folder: Fluorspar Analytical Work File: Misc Reports and Correspondence.pdf UID: 101
Dates
Dataset Reference Date
2015-09-28
Info Date
1945-01-25
Info Date
1962-02-16
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Fluorspar Analytical Work File: Misc Reports and Correspondence.pdf Type: Report UID: 101
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Fluorspar Analytical Work File: Misc Reports and Correspondence.pdf Type: Report UID: 101