Fluorspar District of Illinois Historical Document Folder: Ozark-Mahoning Mining File: Deardorff Tract Correspondence.pdf UID: 415
Dates
Dataset Reference Date
2015-09-28
Info Date
1943-02-02
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Ozark-Mahoning Mining File: Deardorff Tract Correspondence.pdf Type: Correspondence Author: Brecke, E. A.; Grogan, R. M. UID: 415
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Ozark-Mahoning Mining File: Deardorff Tract Correspondence.pdf Type: Correspondence Author: Brecke, E. A.; Grogan, R. M. UID: 415