United states antimony corporation updates significant montana antimony mining activities

Company increases 2026 financial guidance "the critical minerals and zeo company" ~ antimony, cobalt, tungsten, and zeolite ~ dallas, tx / access newswire / october 30, 2025 / united states antimony corporation ("usac," "us antimony," the "company"), (nyse american:uamy)(nyse texas:uamy), a leading producer and processor of antimony, zeolite, and other critical minerals, and the only fully integrated antimony company in the world outside of china, today provided a significant update on montana mining activities. history of stibnite hill usac has previously mined antimony from stibnite hill, located in sanders county, montana, using narrow vein underground mining methods beginning in 1968, until the decision to cease operations for economic reasons back in 1983.
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