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Lewis and Clark County, Montana, USA

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Gemstone List

Gem list contains entries from all listed localities in region.

Localities in this Region

USA

Montana
- Lewis and Clark County
  - East Helena
    - Eldorado Bar
      - Eldorado Bar deposit (Eldorado Strip Mine)
  - Helena Mining District (Spring Hill Mining District)
    - Helena area
      - Missouri River gravel bar
    - Missouri River placers
  - Spokane Bar (American Gem Corp.; Spokane Bar Sapphire Mine)

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