msha-mine-records

Mines and quarries in Campbell County, WY

27 mines not abandoned in Campbell County, WY, in the MSHA file of October 2, 2026.

MineMine IDIndustry groupStatus since
2003 Cedar Rapids Cone Crusher
Melgaard Construction Co Inc
4801640Sand and gravelDec 1, 2025
2003 Cedar Rapids Electric Jaw
Melgaard Construction
4801832Sand and gravelSep 24, 2026
2004 Cedar Rapids Impactor
Melgaard Construction
4801812Sand and gravelFeb 4, 2025
2019 Lippmann 4800 Impactor
Melgaard Construction
4801830Sand and gravelSep 15, 2026
antelope
Alpha Services LLC
4801855Other or not givenJan 11, 2022
ASTEC 2512K FOLD & GO SP001 093075
Melgaard Construction Co., Inc
4801904Sand and gravelJan 13, 2026
Belle Ayr Mine
Eagle Specialty Materials LLC
4800732CoalJul 5, 2019
Black Thunder
Thunder Basin Coal Company LLC
4800977CoalDec 1, 1980
Buckskin Mine
Buckskin Mining Company
4801200CoalOct 18, 1982
Caballo Mine
Peabody Caballo Mining, LLC
4801034CoalOct 1, 1981
Campbell County Crusher
Campbell County Road & Bridge Department
4801069Sand and gravelDec 19, 2024
Coal Creek Mine
Thunder Basin Coal Company LLC
4801215CoalDec 23, 2005
Cordero Rojo Mine
Navajo Transitional Energy Company, LLC
4800992CoalMay 20, 2016
Dry Fork Mine
Western Fuels-Wyoming Inc
4801429CoalJun 18, 1990
Eagle Butte Mine
Eagle Specialty Materials LLC
4801078CoalJul 5, 2019
Jig Plant
Melgaard Construction
4801831Sand and gravelApr 1, 2020
M Creek Scoria4801873Sand and gravelMar 19, 2024
McGee Mine
Ramsey Hill Exploration LLC
4801846StoneJul 2, 2021
North Antelope Rochelle Mine
Peabody Powder River Mining LLC
4801353CoalDec 1, 1985
Pickrel #2
FireSteel Well Service Inc.
4801919StoneAug 1, 2026
QAC #1
Quality Agg & Construction Inc
4801720Sand and gravelSep 9, 2024
QAC Screening Plant
Quality Agg & Construction Inc
4801840Sand and gravelMar 10, 2022
Rawhide Mine
Peabody Caballo Mining, LLC
4800993CoalNov 9, 2001
State 36
Earth Work Solutions (WY)
4801616Sand and gravelSep 25, 2023
Stone Yard #2
The Stone Yard, LLC
4801794Sand and gravelApr 3, 2026
SYNTHETIC FUELS
Green Bridge Holdings, Inc.
4801248CoalApr 16, 2010
Wyodak Mine
Black Hills Energy
4800083CoalJan 1, 1925

Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.