Usa Grass Valley California Main Shaft Empire Mine State Historic Park Gold Country Inside Indoors Tracks Industry History

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Size: 4287px × 2848px
Photo credit: © Prisma/Heeb Christian / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, california, country, empire, gold, grass, historic, history, indoors, industry, main, park, shaft, state, states, tracks, united, usa, valley