Iroquois Mine (Flannigan Mine; Columbia Mine), Leadpoint, Northport District, Stevens Co., Washington, USA
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The geology is intraformational breccia of the Metaline formation.
It produced ore in 1917, 1928 and 1950.
*Cannon, B. (1975): Minerals of Washington, p.68
*Lasmanis, R. Et Al (1990): Metal Mines of Washington-Preliminary Report
8 entries listed. 8 valid minerals.
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