Data / Mines / Crushed, broken granite

Crushed, broken granite mines in the US: 320 open mines

Name: Crushed, broken granite mines
Creator: SpecStream
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MSHA lists 320 open crushed, broken granite mines in the US, run by 131 operators and employing 6,003 people. Since January 1, 2022 its inspectors issued 4,704 citations and orders there with $2,268,828 in proposed penalties, and operators reported 662 injury or illness cases, 4 of them fatal. The operators with the most open mines are Vulcan Construction Materials, LLC; Martin Marietta Materials, Inc.; Heidelberg Materials Southeast Agg., LLC. Data from MSHA, November 6, 2026.

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Open mines: 320
Operators: 131
Employees: 6,003
Active: 271
Intermittent: 43
Temporarily Idled: 6
Mines run by individuals, counted and not listed: 7
Citations and orders since January 1, 2022: 4,704
Significant and substantial: 825 (17.5%)
Closure orders: 96
High negligence or reckless: 235
Proposed penalties: $2,268,828
Amount paid so far: $1,891,549
Inspections: 3,810
Inspector hours on site: 50,056
Citations per inspection: 1.23 (all mines 2.30)
Accident reports: 688
Injury and illness cases: 662
Fatalities: 4
Latest MSHA record: November 5, 2026

Operators with the most open mines

Ranked by open mines, then by citations. Sole proprietors and individuals are not listed.

Operator	Open mines	Employees	Citations since 2022	Proposed penalties	Injury cases
Vulcan Construction Materials, LLC	64	1,585	315	$108,755	154
Martin Marietta Materials, Inc.	52	960	484	$109,028	76
Heidelberg Materials Southeast Agg., LLC	21	358	346	$94,865	49
Chesapeake Materials (division/Luck Stone Corp.)	18	349	70	$14,077	21
Midsouth Aggregates	8	96	108	$28,836	15
3M Company	4	335	392	$455,501	96
Wake Stone Corp	4	103	15	$2,469	10
H.B. Mellott Estate, Inc.	4	9	9	$1,070	0
Rock Pros USA	3	24	165	$137,878	1
McGeorge Contracting Company Inc	3	174	117	$46,232	23
B V Hedrick Gravel & Sand Co	3	100	59	$20,451	16
Tilcon New York Inc	3	77	49	$13,961	16
Georgia Stone Products LLC	3	69	13	$2,030	3
Cumberland Gravel & Sand Company	3	32	2	$284	5
Sunrock Industries LLC	2	43	42	$15,500	6
Aggregate Industries Northeast Region Inc	2	25	39	$14,838	1
Pike Industries	2	23	30	$9,511	6
Bluegrass Materials Company, LLC	2	41	25	$5,080	1
Southside Materials, LLC	2	51	22	$5,357	2
Kafka Road Materials LLC	2	7	12	$2,292	1
Worden Enterprises, LLC.	2	5	7	$1,033	0
O & G Industries Inc	2	4	5	$801	0
Blue Water Industries II LLC	2	16	4	$697	3
Heidelberg Materials Northeast LLC	1	32	181	$249,338	12
Trap Rock and Granite Quarries	1	42	178	$253,098	6
Specialty Granules LLC	1	186	137	$96,063	10
Maymead Materials, Inc.	1	26	99	$46,507	0
Ideal Aggregate, LLC	1	2	70	$5,565	0
QJV, LLC	1	15	60	$30,659	1
Thalle Industries Inc	1	18	59	$12,490	0
Amrize Mid-Atlantic Inc.	1	24	58	$32,772	1
Cedar Mountain Stone Corp	1	30	57	$15,286	3
Kilauea Crushers Inc	1	20	56	$40,446	0
P&K Stone LLC	1	20	55	$19,363	3
Granite Rock Co	1	115	54	$14,513	20
Torromeo Industries, Inc	1	9	48	$17,460	0
Trap Rock Industries LLC	1	68	46	$22,786	14
Junction City Mining Company, L.L.C.	1	80	41	$10,071	9
Beaver Lake Quarry, Inc.	1	2	39	$11,435	1
Columbus Quarry LLC	1	20	36	$6,110	9
Eureka Stone Quarry Inc	1	14	32	$10,861	0
Rawson Materials	1	13	32	$4,902	3
Reeves Construction Company	1	17	31	$5,055	0
C S Mc Crossan Construction Inc	1	16	30	$5,549	0
Lopke Quarries Inc	1	7	29	$36,089	1
Robertson's Ready Mix Ltd	1	5	29	$28,260	5
SRM Materials, LLC	1	22	29	$4,512	1
Continental Paving Inc	1	10	27	$5,069	1
Kafka Granite LLC	1	6	27	$5,048	0
Columbia Granite LLC	1	6	26	$8,412	0
Crooker Construction, LLC	1	21	26	$6,111	4
Savage Stone, LLC	1	54	26	$4,176	2
Alamance Aggregates LLC	1	7	24	$3,165	0
N. a. Manosh Inc	1	4	24	$6,173	0
Peckham Materials Corp	1	15	24	$4,903	1
Putnam Materials Corp	1	4	24	$3,473	1
Big Iron DG Mine LLC	1	1	23	$4,199	0
Northeast Material Group, LLC	1	22	20	$3,482	4
R.L. Jueneman Construction, Inc.	1	3	20	$2,653	0
CalPortland Company	1	14	19	$7,122	4
Central Texas Stone and Aggregate LLC	1	15	19	$6,194	1
Red Mountain Mining, Inc.	1	7	19	$2,826	3
Star Valley Granite & Materials	1	2	19	$2,906	0
York Building Products Co Inc	1	25	19	$3,309	6
Mc Crary Stone Service Inc	1	13	16	$3,977	0
Allan Myers Materials, MD	1	32	15	$2,191	1
Granite State Concrete Company Inc	1	5	15	$2,177	0
Thibeault Corp Of Ne	1	3	15	$2,398	0
Custom Crushing Company, LLC	1	2	14	$3,150	0
Georgia Stone Management LLC	1	1	14	$2,103	0
Radford Quarries of Boone, Inc	1	5	14	$2,789	0
Alleghany Stone LLC	1	7	13	$1,751	0
DiGregorio Corporation	1	2	13	$1,966	0
Tiverton Materials	1	2	13	$2,321	0
Johnson Paving Company Inc	1	10	12	$1,634	1
Madison Granite Supply Inc	1	17	12	$1,678	0
Thompson Contractors Inc	1	20	12	$2,067	6
Treasure Chest Granite Pit LLC	1	10	12	$2,035	1
Dunn Construction Company	1	7	11	$1,688	1
Ginmar Enterprises Inc	1	7	11	$1,617	0
D R S Rock Materials, LLC	1	3	10	$1,703	0
LBM Industries Inc	1	14	10	$1,343	0
Spec Aggregates	1	6	10	$1,511	0
Granite Construction Company	1	12	9	$1,289	0
Madera Quarry Inc.	1	13	8	$1,208	0
Brox Industries Incorporated	1	11	7	$1,001	2
Havre Sand & Gravel Inc	1	4	7	$931	0
MRC Rock & Sand, LLC.	1	2	7	$1,070	0
Marquette Mineral, LLC	1	2	7	$1,029	0
APAC-Alabama,Inc.	1	10	6	$1,052	0
Brice Incorporated	1	4	6	$888	0
Cardinal Quarries LLC	1	8	6	$903	1
Glacial Stone, LLC.	1	0	6	$870	0
Jordan Land Development Inc	1	1	6	$858	0
Cardinal Stone	1	8	5	$721	0
Meverden Materials Inc.	1	2	5	$739	0
Red Rock Granite, Inc.	1	6	5	$752	0
Riverdale Quarry LLC	1	12	5	$703	2
Rogers Group Inc	1	13	5	$717	0
Appalachian Aggregates, LLC	1	5	4	$290	2

Operators with the most citations

Citations and orders issued since January 1, 2022 at their open mines here.

Operator	Open mines	Employees	Citations since 2022	Proposed penalties	Injury cases
Martin Marietta Materials, Inc.	52	960	484	$109,028	76
3M Company	4	335	392	$455,501	96
Heidelberg Materials Southeast Agg., LLC	21	358	346	$94,865	49
Vulcan Construction Materials, LLC	64	1,585	315	$108,755	154
Heidelberg Materials Northeast LLC	1	32	181	$249,338	12
Trap Rock and Granite Quarries	1	42	178	$253,098	6
Rock Pros USA	3	24	165	$137,878	1
Specialty Granules LLC	1	186	137	$96,063	10
McGeorge Contracting Company Inc	3	174	117	$46,232	23
Midsouth Aggregates	8	96	108	$28,836	15
Maymead Materials, Inc.	1	26	99	$46,507	0
Chesapeake Materials (division/Luck Stone Corp.)	18	349	70	$14,077	21
Ideal Aggregate, LLC	1	2	70	$5,565	0
QJV, LLC	1	15	60	$30,659	1
B V Hedrick Gravel & Sand Co	3	100	59	$20,451	16
Thalle Industries Inc	1	18	59	$12,490	0
Amrize Mid-Atlantic Inc.	1	24	58	$32,772	1
Cedar Mountain Stone Corp	1	30	57	$15,286	3
Kilauea Crushers Inc	1	20	56	$40,446	0
P&K Stone LLC	1	20	55	$19,363	3
Granite Rock Co	1	115	54	$14,513	20
Tilcon New York Inc	3	77	49	$13,961	16
Torromeo Industries, Inc	1	9	48	$17,460	0
Trap Rock Industries LLC	1	68	46	$22,786	14
Sunrock Industries LLC	2	43	42	$15,500	6
Junction City Mining Company, L.L.C.	1	80	41	$10,071	9
Aggregate Industries Northeast Region Inc	2	25	39	$14,838	1
Beaver Lake Quarry, Inc.	1	2	39	$11,435	1
Columbus Quarry LLC	1	20	36	$6,110	9
Eureka Stone Quarry Inc	1	14	32	$10,861	0

Mines with the most citations

Open mines, ranked by citations and orders since January 1, 2022.

Mine	Operator	County	Main commodity	Employees	Citations since 2022
3M Little Rock Industrial Mineral Prod	3M Company	Pulaski County, AR	Crushed, broken granite	125	258
Glen Mills	Heidelberg Materials Northeast LLC	Delaware County, PA	Crushed, broken granite	32	181
Trap Rock and Granite Quarries, LLC	Trap Rock and Granite Quarries	Iron County, MO	Crushed, broken granite	42	178
Specialty Granules Llc-Annapolis Quarry	Specialty Granules LLC	Iron County, MO	Crushed, broken granite	186	137
Maymead Materials, Inc.	Maymead Materials, Inc.	Johnson County, TN	Crushed, broken granite	26	99
3M, Greystone Plant	3M Company	Marathon County, WI	Crushed, broken granite	61	70
Ideal Aggregate	Ideal Aggregate, LLC	Elbert County, GA	Crushed, broken granite	2	70
White Hills	Rock Pros USA	Mohave County, AZ	Crushed, broken granite	5	69
Granite Mountain Quarry #1	McGeorge Contracting Company Inc	Pulaski County, AR	Crushed, broken granite	91	62
Arkansas Aggregates	QJV, LLC	Pulaski County, AR	Crushed, broken granite	15	60
Fishkill Quarry	Thalle Industries Inc	Dutchess County, NY	Crushed, broken granite	18	59
Amrize Rockville Quarry	Amrize Mid-Atlantic Inc.	Montgomery County, MD	Crushed, broken granite	24	58
Mitchell Quarry	Cedar Mountain Stone Corp	Culpeper County, VA	Crushed, broken granite	30	57
Chloride	Rock Pros USA	Mohave County, AZ	Crushed, broken granite	5	57
Picacho Plant	Kilauea Crushers Inc	Maricopa County, AZ	Crushed, broken granite	20	56
Mill Creek Quarry	P&K Stone LLC	Johnston County, OK	Crushed, broken granite	20	55
A R Wilson Quarry	Granite Rock Co	San Benito County, CA	Crushed, broken granite	115	54
Torromeo Pit & Plant	Torromeo Industries, Inc	Rockingham County, NH	Crushed, broken granite	9	48
Mount Hope Quarry	Tilcon New York Inc	Morris County, NJ	Crushed, broken granite	70	47
Kingston Quarry	Trap Rock Industries LLC	Somerset County, NJ	Crushed, broken granite	68	46
Walstrum Quarry	Martin Marietta Materials, Inc.	Clear Creek County, CO	Crushed, broken granite	35	46
3M, Downtown Plant	3M Company	Marathon County, WI	Crushed, broken granite	114	45
Heath Quarry	Junction City Mining Company, L.L.C.	Talbot County, GA	Crushed, broken granite	80	41
Lake Norman Quarry	B V Hedrick Gravel & Sand Co	Lincoln County, NC	Crushed, broken granite	41	40
Sandy Flat Quarry	Heidelberg Materials Southeast Agg., LLC	Greenville County, SC	Crushed, broken granite	17	40
Superior	Rock Pros USA	Pinal County, AZ	Crushed, broken granite	14	39
Beaver Lake Quarry	Beaver Lake Quarry, Inc.	Skagit County, WA	Crushed, broken granite	2	39
Columbus Quarry LLC	Columbus Quarry LLC	Muscogee County, GA	Crushed, broken granite	20	36
Granite Mountain Quarry #2	McGeorge Contracting Company Inc	Pulaski County, AR	Crushed, broken granite	63	35
Monroe County Quarry	Heidelberg Materials Southeast Agg., LLC	Monroe County, GA	Crushed, broken granite	22	35
Granite Canyon Quarry	Martin Marietta Materials, Inc.	Laramie County, WY	Crushed, broken granite	42	34
Gardner Quarry	Heidelberg Materials Southeast Agg., LLC	Harnett County, NC	Crushed, broken granite	24	34
Arrowood	Martin Marietta Materials, Inc.	Mecklenburg County, NC	Crushed, broken granite	27	33
Cayce Quarry	Martin Marietta Materials, Inc.	Lexington County, SC	Crushed, broken granite	27	32
Rocky Mount Quarry	Heidelberg Materials Southeast Agg., LLC	Edgecombe County, NC	Crushed, broken granite	15	32
Milford Quarry	Eureka Stone Quarry Inc	Pike County, PA	Crushed, broken granite	14	32
Plant 7	Rawson Materials	Washington County, RI	Crushed, broken granite	13	32
Forsyth Quarry	Midsouth Aggregates	Forsyth County, GA	Crushed, broken granite	19	31
Blacksburg Quarry	Reeves Construction Company	Cherokee County, SC	Crushed, broken granite	17	31
Cedar Hills Site	C S Mc Crossan Construction Inc	Mohave County, AZ	Crushed, broken granite	16	30
Waynesville Quarry	Midsouth Aggregates	Haywood County, NC	Crushed, broken granite	10	30
Cleveland Quarry	SRM Materials, LLC	White County, GA	Crushed, broken granite	22	29
Lopke Quarries : Clinton, SC Plant	Lopke Quarries Inc	Laurens County, SC	Crushed, broken granite	7	29
El Cajon Quarry	Robertson's Ready Mix Ltd	San Diego County, CA	Crushed, broken granite	5	29
Kittrell Quarry	Sunrock Industries LLC	Vance County, NC	Crushed, broken granite	8	28
Lithonia/Pine Mountain Quarry	Heidelberg Materials Southeast Agg., LLC	De Kalb County, GA	Crushed, broken granite	23	27
Matthews Quarry	Martin Marietta Materials, Inc.	Mecklenburg County, NC	Crushed, broken granite	15	27
Litchfield Sand & Gravel	Continental Paving Inc	Hillsborough County, NH	Crushed, broken granite	10	27
Ridgeview	Kafka Granite LLC	Marathon County, WI	Crushed, broken granite	6	27
Savage Stone	Savage Stone, LLC	Howard County, MD	Crushed, broken granite	54	26
Topsham Pit & Mill	Crooker Construction, LLC	Sagadahoc County, ME	Crushed, broken granite	21	26
Columbia Granite	Columbia Granite LLC	Thurston County, WA	Crushed, broken granite	6	26
Boscawen Sand & Gravel	Peckham Materials Corp	Merrimack County, NH	Crushed, broken granite	15	24
Snow Camp Quarry	Alamance Aggregates LLC	Alamance County, NC	Crushed, broken granite	7	24
Patterson Quarry Plant #79	Putnam Materials Corp	Putnam County, NY	Crushed, broken granite	4	24
Weatherboard Quarry	N. a. Manosh Inc	Lamoille County, VT	Crushed, broken granite	4	24
Amrize Raymond Quarry	Aggregate Industries Northeast Region Inc	Rockingham County, NH	Crushed, broken granite	11	23
Big Iron DG Mine	Big Iron DG Mine LLC	Kern County, CA	Crushed, broken granite	1	23
Columbia Quarry	Vulcan Construction Materials, LLC	Richland County, SC	Crushed, broken granite	34	22
Raleigh Quarry	Heidelberg Materials Southeast Agg., LLC	Wake County, NC	Crushed, broken granite	26	22
Snyder	Martin Marietta Materials, Inc.	Kiowa County, OK	Crushed, broken granite	30	20
North East Materials Group LLC	Northeast Material Group, LLC	Washington County, VT	Crushed, broken granite	22	20
Granite Mountain Quarry #3	McGeorge Contracting Company Inc	Saline County, AR	Crushed, broken granite	20	20
Edgefield Quarry	Bluegrass Materials Company, LLC	Edgefield County, SC	Crushed, broken granite	10	20
Glacier Hills Quarry	R.L. Jueneman Construction, Inc.	Marshall County, KS	Crushed, broken granite	3	20
Macon Quarry	Vulcan Construction Materials, LLC	Monroe County, GA	Crushed, broken granite	37	19
3M Pittsboro	3M Company	Chatham County, NC	Crushed, broken granite	35	19
Principio Quarry	York Building Products Co Inc	Cecil County, MD	Crushed, broken granite	25	19
Crabtree Quarry	Heidelberg Materials Southeast Agg., LLC	Wake County, NC	Crushed, broken granite	22	19
Marble Falls	Central Texas Stone and Aggregate LLC	Burnet County, TX	Crushed, broken granite	15	19
Rocky Canyon Plant	CalPortland Company	San Luis Obispo County, CA	Crushed, broken granite	14	19
Anderson Quarry	Heidelberg Materials Southeast Agg., LLC	Anderson County, SC	Crushed, broken granite	9	19
Mesa Mine	Red Mountain Mining, Inc.	Maricopa County, AZ	Crushed, broken granite	7	19
Star Valley Granite & Materials	Star Valley Granite & Materials	Gila County, AZ	Crushed, broken granite	2	19
North Columbia Quarry	Martin Marietta Materials, Inc.	Richland County, SC	Crushed, broken granite	18	18
Shelton	Southside Materials, LLC	Caswell County, NC	Crushed, broken granite	39	17
Junction City Quarry	Martin Marietta Materials, Inc.	Talbot County, GA	Crushed, broken granite	27	17
Lowrys Quarry	Heidelberg Materials Southeast Agg., LLC	York County, SC	Crushed, broken granite	11	17
Wells Quarry C624	Pike Industries	York County, ME	Crushed, broken granite	10	17
Ruby Quarry	Martin Marietta Materials, Inc.	Jones County, GA	Crushed, broken granite	42	16
Grove Stone Quarry	B V Hedrick Gravel & Sand Co	Buncombe County, NC	Crushed, broken granite	37	16
Amrize Littleton Quarry	Aggregate Industries Northeast Region Inc	Middlesex County, MA	Crushed, broken granite	14	16
Rock Hill Quarry	Martin Marietta Materials, Inc.	York County, SC	Crushed, broken granite	14	16
Mc Crary Madison Quarry	Mc Crary Stone Service Inc	Madison County, NC	Crushed, broken granite	13	16
Denver Quarry	Martin Marietta Materials, Inc.	Lincoln County, NC	Crushed, broken granite	10	16
Elk Mills Quarry	Allan Myers Materials, MD	Cecil County, MD	Crushed, broken granite	32	15
Gainesville Quarry	Heidelberg Materials Southeast Agg., LLC	Hall County, GA	Crushed, broken granite	23	15
Granite State Concrete Pit & Mill	Granite State Concrete Company Inc	Hillsborough County, NH	Crushed, broken granite	5	15
Allenstown Aggregate	Thibeault Corp Of Ne	Merrimack County, NH	Crushed, broken granite	3	15
Norcross Quarry	Vulcan Construction Materials, LLC	Gwinnett County, GA	Crushed, broken granite	84	14
Butner Quarry	Sunrock Industries LLC	Granville County, NC	Crushed, broken granite	35	14
Dreyfus Quarry	Vulcan Construction Materials, LLC	Richland County, SC	Crushed, broken granite	12	14
Bamboo Road Quarry	Radford Quarries of Boone, Inc	Watauga County, NC	Crushed, broken granite	5	14
Portable #1	Custom Crushing Company, LLC	Belknap County, NH	Crushed, broken granite	2	14
Kershaw Pink	Georgia Stone Management LLC	Kershaw County, SC	Crushed, broken granite	1	14
Warren County Quarry	Midsouth Aggregates	Warren County, GA	Crushed, broken granite	27	13
Rougemont Quarry	Heidelberg Materials Southeast Agg., LLC	Durham County, NC	Crushed, broken granite	22	13
Athens Quarry	Heidelberg Materials Southeast Agg., LLC	Clarke County, GA	Crushed, broken granite	19	13
Lebanon Crushed Stone C623	Pike Industries	Grafton County, NH	Crushed, broken granite	13	13
Alleghany Stone	Alleghany Stone LLC	Alleghany County, NC	Crushed, broken granite	7	13

States

State	Open mines	Share
North Carolina	83	25.9%
Georgia	56	17.5%
Virginia	37	11.6%
South Carolina	32	10%
Wisconsin	14	4.4%
California	10	3.1%
Arizona	9	2.8%
New Hampshire	9	2.8%
Arkansas	6	1.9%
Maryland	6	1.9%
Minnesota	5	1.6%
New Jersey	5	1.6%
Alabama	4	1.2%
Connecticut	4	1.2%
Massachusetts	4	1.2%

Citations and injury cases by year

Calendar years since 2022; 2026 runs to the date of the MSHA files.

Year	Citations and orders	Significant and substantial	Proposed penalties	Injury and illness cases
2022	968	186	$350,334	139
2023	985	203	$504,313	138
2024	1,052	163	$636,699	147
2025	837	133	$411,832	119
2026	862	140	$365,650	119

Standards cited most at crushed, broken granite mines

Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.

Standard	What the part covers	Citations
30 CFR 56.20003	Surface metal and nonmetal mines	544
30 CFR 56.14100	Surface metal and nonmetal mines	403
30 CFR 56.14107	Surface metal and nonmetal mines	320
30 CFR 56.14112	Surface metal and nonmetal mines	315
30 CFR 56.12004	Surface metal and nonmetal mines	297
30 CFR 56.11001	Surface metal and nonmetal mines	187
30 CFR 56.12032	Surface metal and nonmetal mines	179
30 CFR 56.14132	Surface metal and nonmetal mines	148
30 CFR 56.14101	Surface metal and nonmetal mines	145
30 CFR 50.30	Reporting of accidents, injuries and illnesses	128
30 CFR 56.4201	Surface metal and nonmetal mines	106
30 CFR 56.14207	Surface metal and nonmetal mines	92
30 CFR 56.12018	Surface metal and nonmetal mines	92
30 CFR 56.9300	Surface metal and nonmetal mines	89
30 CFR 56.18002	Surface metal and nonmetal mines	88

Injury and illness cases at crushed, broken granite mines

Accident reports by degree of injury, as the operator reported them to MSHA.

Degree	Cases
Fatality	4
Permanent disability	12
Days away from work or restricted activity	450
No lost time, or an occupational illness	196

What the accident reports at crushed, broken granite mines describe

Accident classification, as MSHA codes the circumstances that contributed most directly.

Classification	Reports
Handling of materials	230
Slip or fall of person	145
Handtools (nonpowered)	94
Machinery	74
Powered haulage	60
Other	22
Fire	15
Stepping or kneeling on object	12
Striking or bumping	9
Disorders (repeated trauma)	8

Equipment named in accident reports at crushed, broken granite mines

Equipment	Reports
Hand tools (not powered)	96
Front-end loader	37
Hand tools (powered)	31
Ore haulage trucks - off highway trucks	23
Crusher	20
Welding machine	12
Screen	12
Conveyor	12
Trucks	11
Forklift	10

Updated November 6, 2026. Read from US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets. US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.