Lead-Zinc District of Illinois Historical Document Folder: Pb and Zn Analytical File: Sphalerite in Coal.pdf UID: 909
Dates
Dataset Reference Date
2015-09-28
Info Date
1978-03-09
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Pb and Zn Analytical File: Sphalerite in Coal.pdf Type: Lab results UID: 909
Summary
Historical Lead-Zinc District Document from Industrial Mineral Section Records Folder: Pb and Zn Analytical File: Sphalerite in Coal.pdf Type: Lab results UID: 909