Fluorspar District of Illinois Historical Document Folder: Grant Ralph Drilling File: Drill Records.pdf Page 3 - Log UID: 153
Dates
Dataset Reference Date
2015-09-28
Info Date
1958-04-01
Info Date
1958-06-17
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Grant Ralph Drilling File: Drill Records.pdf Page 3 - Log Type: Log (Confidential) UID: 153
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Grant Ralph Drilling File: Drill Records.pdf Page 3 - Log Type: Log (Confidential) UID: 153