Fluorspar District of Illinois Historical Document Folder: Salem-Warsaw Beds File: Logs and Correspondence.pdf UID: 507
Dates
Dataset Reference Date
2015-09-28
Info Date
1935-01-01
Info Date
1950-10-23
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Salem-Warsaw Beds File: Logs and Correspondence.pdf Type: Log Author: Grogan, Robert M. UID: 507
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Salem-Warsaw Beds File: Logs and Correspondence.pdf Type: Log Author: Grogan, Robert M. UID: 507