Fluorspar District of Illinois Historical Document Folder: Hicks Dome - Igneous Rock - Analysis File: Misc Correspondence.pdf UID: 215
Dates
Dataset Reference Date
2015-09-28
Info Date
1963-01-01
Info Date
1966-01-10
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Hicks Dome - Igneous Rock - Analysis File: Misc Correspondence.pdf Type: Correspondence Author: Bradbury, J. C.; Heyl, A. V. UID: 215
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Hicks Dome - Igneous Rock - Analysis File: Misc Correspondence.pdf Type: Correspondence Author: Bradbury, J. C.; Heyl, A. V. UID: 215