Fluorspar District of Illinois Historical Document Folder: Shelterville Area File: Handwritten Notes and Maps.pdf UID: 513
Dates
Dataset Reference Date
2015-09-28
Info Date
1949-05-07
Info Date
1950-08-16
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Shelterville Area File: Handwritten Notes and Maps.pdf Type: Field Notes UID: 513
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Shelterville Area File: Handwritten Notes and Maps.pdf Type: Field Notes UID: 513