Mines

Mines in Wyoming

Rare Context lists 38 mines in Wyoming, United States. The largest is North Antelope Rochelle Mine, with 1,148 employees in 2025.

All mines

By primary commodity, most mines first, then by employees within each commodity.

MineCommodityCountyOwner or operatorEmployees
North Antelope Rochelle MineCoalCampbell CountyPeabody Energy Corporation1,148 2025
Black ThunderCoalCampbell CountyCore Natural Resources Inc796 2025
Antelope Coal MineCoalConverse CountyNavajo Transitional Energy Company LLC362 2025
Cordero Rojo MineCoalCampbell CountyNavajo Transitional Energy Company LLC274 2025
Belle Ayr MineCoalCampbell CountyEagle Specialty Materials LLC248 2025
Eagle Butte MineCoalCampbell CountyEagle Specialty Materials LLC229 2025
Jim Bridger MineCoalSweetwater CountyMidAmerican Energy Holdings Company219 2025
Caballo MineCoalCampbell CountyPeabody Energy Corporation173 2025
Kemmerer MineCoalLincoln CountyKemmerer Holdings LLC173 2025
Buckskin MineCoalCampbell CountyKiewit Peter Sons' Inc129 2025
Rawhide MineCoalCampbell CountyPeabody Energy Corporation106 2025
Dry Fork MineCoalCampbell CountyWestern Fuels Association Inc75 2025
Black Butte And Leucite Hills MinesCoalSweetwater CountyLighthouse Resources Inc; Anadarko Petroleum Corporation58 2025
Coal Creek MineCoalCampbell CountyCore Natural Resources Inc35 2025
Bridger Underground Coal MineCoalSweetwater CountyMidAmerican Energy Holdings Company4 2022
Brook MineCoalSheridan CountyRamaco Resources Inc4 2025
Grass Creek MineCoalHot Springs CountySpring Gulch Coal Company—
Synthetic FuelsCoalCampbell CountyGreen Bridge Holdings, Inc.—
Westmoreland Haystack Mining LLCCoalUinta CountyWestmoreland Mining Holdings LLC—
Lucerne MillBentoniteHot Springs CountyWyo-Ben, Inc30 2025
Yellowtail MineBentoniteBig Horn CountyMinerals Technologies Inc14 2025
Big Horn Basin MinesBentoniteBig Horn CountyWyo-Ben, Inc12 2025
Tensleep MineBentoniteWashakie CountyBHB Limited Partnership; A&M Products9 2025
Thornton PlantBentoniteWeston CountyBHB Limited Partnership; A&M Products4 2025
BPM 76 Creek MineBentoniteJohnson CountyHalliburton Company1 2025
WE Soda @ WestvacoTronaSweetwater CountyWE Soda US LLC815 2025
Tata Chemicals MineTronaSweetwater CountyTata Chemicals Ltd553 2025
American Soda LLCTronaSweetwater CountySolvay S A479 2025
Big Island Mine & RefineryTronaSweetwater CountyNatural Resource Partners LP; Ciner Resources LP449 2025
Gold Camp 2GemstonesAlbany CountyPink Misty Minerals and Gems LLC—
Gold Camp IGemstonesAlbany CountyPink Misty Minerals and Gems LLC—
Golden BuffaloGoldFremont CountyGolden Buffalo Mining4 2022
Rock Creek PlacerGoldFremont CountyWorld Earth Minerals, Inc.3 2025
Glenrock MillLeonarditeConverse CountyHarvest Holdings II LLC6 2025
Glenrock MineLeonarditeConverse CountyHarvest Holdings II LLC5 2025
G-P Gypsum QuarriesGypsumBig Horn CountyKoch Industries Inc16 2025
West Warm Springs Field ProjectOil sandHot Springs CountyNew Era Petroleum (Jersey) Ltd3 2025
BPM Colony MineRefractory clayCrook CountyHalliburton Company60 2025

Every mine in Wyoming, with owners.All 38 in one file, each with its owner, commodity, resources and permit status. We research what the public sources leave out.

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