These are just a few of my favorites from the Mines History Archive. Enjoy, and please add comments.
<--Wild Horse Park
Field Surveying Class -->
Student's mechanical drawing portfolio, 1904
Edgar Mine map with decorative compass, 1971
1964 Time Capsule, 90th Anniversary
Centennial Scrapbook
Officials in Centennial blazers
Student at an assay furnace, 1948
Assay Laboratory interior, ~1900