Fluorspar District of Illinois Historical Document Folder: Asphaltite (Grahamite) File: Perry-Bradbury Correspondence.pdf UID: 2
Dates
Dataset Reference Date
2015-09-28
Info Date
1966-04-19
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Asphaltite (Grahamite) File: Perry-Bradbury Correspondence.pdf Type: Correspondence Author: Lamar, J. E. UID: 2
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Asphaltite (Grahamite) File: Perry-Bradbury Correspondence.pdf Type: Correspondence Author: Lamar, J. E. UID: 2