Lead-Zinc District of Illinois Historical Document Folder: Trace Elements File: Trace Elements in Sphalerite.pdf UID: 1017
Dates
Dataset Reference Date
2015-09-28
Info Date
1980-10-03
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Trace Elements File: Trace Elements in Sphalerite.pdf Type: Memorandum/Notes UID: 1017
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Trace Elements File: Trace Elements in Sphalerite.pdf Type: Memorandum/Notes UID: 1017