Fluorspar District of Illinois Historical Document Folder: Geiger Counter Work (excl Hicks Dome) File: Geiger Counter Testing.pdf UID: 729
Dates
Dataset Reference Date
2015-09-28
Info Date
1950-10-01
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Geiger Counter Work (excl Hicks Dome) File: Geiger Counter Testing.pdf Type: Report Author: Grogan, R. M. UID: 729
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Geiger Counter Work (excl Hicks Dome) File: Geiger Counter Testing.pdf Type: Report Author: Grogan, R. M. UID: 729