Grass Valley is a Gold Rush era Town famous for its bountiful gold quartz ore buried deep within the hard rock below the town. Visitors can view a diorama of the tunnels below the city, which will show that the charming Del Oro movie theatre sits above a gallery of mine tunnels,  as...

Grass Valley is a Gold Rush era Town famous for its bountiful gold quartz ore buried deep within the hard rock below the town. Visitors can view a diorama of the tunnels below the city, which will show that the charming Del Oro movie theatre sits above a gallery of mine tunnels,  as does most of the town.   

For more information about this northern California foothill community, see the article on the nearby town of Nevada City.

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