![](http://www.alamy.com/thumbs/6/6D85D379-E5E1-424D-9D75-A286B507FED5/F014Y8.jpg)
mine shaft, Empire Mine State Historic Park, Grass Valley, California
Size: 5100px × 3481px
Location: Empire Mine State Historic Park, Grass Valley, California
Photo credit: © Chuck Place / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: america, barred, bars, california, education, educational, empire, geology, gold, grass, historic, historical, lights, lit, mining, museum, north, park, people, shaft, state, tourism, usa, valley