Exploring the Largest Abandoned Gold Mine in the World
Channel: Think Museums
Date: 12/08/2020

Abandoned Empire Mine the  Largest  and Deepest Gold Mine in USA is found in Nevada County, California. I visited Grass Valley, in Northern California, site of the largest  deepest gold mine in the state of California.367 miles of underground passages. Empire Mine State Historic Park is a state-protected mine and park in the Sierra Nevada mountains in Grass Valley, California, U.S. The Empire Mine is on the National Register of Historic Places, a federal Historic District, and a California Historical Landmark.

Abandoned Empire Mine the  Largest  and Deepest Gold Mine in USA is found in Nevada County, California. 

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