Quick answer
The producing mines are two surface mines.[1] They produced bituminous and subbituminous coal, and EIA places them in the Other Western coal supply region.[1] Mines in the county produced 4,323,943 short tons in 2023, so output fell by about 24 percent in 2024.[1]
| Mine | Type | Coal rank | Short tons, 2024 |
|---|---|---|---|
| Jim Bridger Mine | Surface | Subbituminous | 2,850,457 |
| Black Butte And Leucite Hills | Surface | Bituminous | 433,842 |
Source: U.S. Energy Information Administration, Annual Coal Report mine-level data for 2024, released November 19, 2025. Data compiled November 1, 2026.
Surface mining is often used when coal is less than 200 feet underground, and underground mining is used when coal lies deeper.[2] Bituminous coal is the most abundant rank found in the United States, and lignite has the lowest energy content.[3] The coal leases in a 2020 West Virginia Supreme Court of Appeals decision carried a tonnage royalty, a minimum annual royalty and a fixed term of years.[4] Wyoming is one of the 24 states with an approved coal regulatory program, so the state is the primary regulator of coal mining there and handles permitting, inspection and enforcement, with oversight from the federal Office of Surface Mining Reclamation and Enforcement.[5]
Wyoming is the top coal-producing state, and the two largest U.S. coal mines, Black Thunder and North Antelope Rochelle, are both in Wyoming.[6]
The Western coal region includes Wyoming, Montana, North Dakota, Colorado and other states, and surface mines produce most of its coal.[6]
Subbituminous coal came mostly from Wyoming, followed by Montana, New Mexico, Colorado and Alaska.[3]
What Buckhead buys depends on the deal, and Buckhead tells the seller up front which interest it is offering to buy — for example, the payments for the rest of the current lease term, a term easement, or a longer-term interest. The coal leases in a 2020 West Virginia Supreme Court of Appeals decision carried a tonnage royalty, a minimum annual royalty and a fixed term of years.[4] Coal rights can also be divided by seam: in one West Virginia case, the leases covered all the coal in all seams above a named seam on the leased tracts.[4]
Educational information only — not legal, tax, or investment advice. The figures are public reference data, not a valuation or appraisal of any interest. Consult a qualified attorney, CPA, or landman about your specific situation.
Sweetwater County, Wyoming had two producing coal mines in 2024, which produced 3,284,299 short tons of coal, according to mine-level data in the U.S. Energy Information Administration's Annual Coal Report for 2024.[1] Mines in the county produced 4,323,943 short tons in 2023, so output fell by about 24 percent in 2024.[1]
The mines were Jim Bridger Mine (surface, 2,850,457 short tons) and Black Butte And Leucite Hills (surface, 433,842 short tons).[1]
Buckhead Energy buys coal mineral rights and coal royalties. What Buckhead buys depends on the deal, and Buckhead tells the seller up front which interest it is offering to buy — for example, the payments for the rest of the current lease term, a term easement, or a longer-term interest.
The producing mines are two surface mines.[1] Surface mining is often used when coal is less than 200 feet underground, and underground mining is used when coal lies deeper.[2]
Wyoming is one of the 24 states with an approved coal regulatory program, so the state is the primary regulator of coal mining there and handles permitting, inspection and enforcement, with oversight from the federal Office of Surface Mining Reclamation and Enforcement.[5]
Nearby Wyoming counties with producing coal mines include Lincoln County (2,417,282 short tons in 2024), Converse County (14,984,446 short tons in 2024) and Campbell County (170,044,887 short tons in 2024).[1]
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[1] Annual Coal Report, mine-level production (2024 data, released November 19, 2025) — U.S. Energy Information Administration (accessed November 1, 2026)
[2] Coal explained: Coal mining and transportation — U.S. Energy Information Administration (accessed November 1, 2026)
[3] Coal explained — U.S. Energy Information Administration (accessed November 1, 2026)
[4] Iaeger Energy Development, LLC v. Moore, No. 18-0409 (memorandum decision, Jan. 13, 2020) — Supreme Court of Appeals of West Virginia (accessed November 1, 2026)
[5] Regulating Active Coal Mines — Office of Surface Mining Reclamation and Enforcement (accessed November 1, 2026)
[6] Coal explained: Where our coal comes from — U.S. Energy Information Administration (accessed November 1, 2026)
Buckhead Energy buys coal mineral rights and coal royalties.
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