Fluorspar District of Illinois Historical Document Folder: Pb and Zn Photos File: McDonald negs and prints 1.tif UID: 933
Dates
Dataset Reference Date
2015-09-28
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Pb and Zn Photos File: McDonald negs and prints 1.tif Type: Photograph UID: 933
Summary
Historical Fluorspar District Document from Industrial Mineral Section Records Folder: Pb and Zn Photos File: McDonald negs and prints 1.tif Type: Photograph UID: 933