Idaho-Maryland Mine

E2033202 UNEXPLORED

The Idaho-Maryland Mine is a historic hard-rock gold mine in Grass Valley, California, once among the most productive gold mines in the United States.

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All labels observed (2)

Label	Occurrences
Idaho Mine	1
Idaho-Maryland Mine canonical	1

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Grass Valley mining district → containsMine → Idaho-Maryland Mine ⓘ

Grass Valley mining district → containsMine → Idaho Mine ⓘ

linked to: Idaho-Maryland Mine