Coal production
0reported short tons
ACTIVE / CONTROLLER PORTFOLIO
Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.
MINE PORTFOLIO
2025-01-01 – 2026-10-13. Active records; production reporting is not required.
Material, method and type filters apply to this table. The portfolio’s status applies to the entire page. GEM fields describe their own release, not the selected MSHA year.
| Mine | Location / type | Coal · short tons | Hours worked | Violations | Accident records | On-site inspection hours |
|---|---|---|---|---|---|---|
| Griffin Plant1200890 · Active6/8 quarters reported | Posey, INSurface · MSHA: Construction Sand and Gravel | 0 | 10,447 | 2 | 0 | 33.0 |
| Hanford Pit4503498 · Active6/8 quarters reported | Benton, WASurface · MSHA: Crushed, Broken Stone NEC | 0 | 21,338 | 0 | 1 | 18.3 |
| Hard Rock Quarry0302018 · Active6/8 quarters reported | Marion, ARSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 12,181 | 0 | 0 | 18.8 |
| Harrisonville Quarry2301148 · Active6/8 quarters reported | Cass, MOSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 47,730 | 13 | 0 | 45.3 |
| HARTFORD QUARRY1401334 · Active6/8 quarters reported | Lyon, KSSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 26,525 | 3 | 0 | 43.8 |
| HAVERSTRAW QUARRY & MILL3000075 · Active6/8 quarters reported | Rockland, NYSurface · MSHA: Crushed, Broken Stone NEC | 0 | 124,803 | 25 | 2 | 94.0 |
| Hayesville Quarry3102061 · Active6/8 quarters reported | Clay, NCSurface · MSHA: Crushed, Broken Granite | 0 | 36,927 | 2 | 1 | 78.5 |
| Hazlehurst Sand & Gravel2200841 · Active6/8 quarters reported | Copiah, MSSurface · MSHA: Sand, Industrial NEC | 0 | 54,364 | 2 | 0 | 18.0 |
| Hindsville Quarry & Plant0301807 · Active6/8 quarters reported | Washington, ARSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 51,525 | 12 | 0 | 47.3 |
| Hot Springs4202320 · Active6/8 quarters reported | Weber, UTSurface · MSHA: Construction Sand and Gravel | 0 | 31,517 | 2 | 0 | 41.8 |
| Howard Plant3002754 · Active6/8 quarters reported | Steuben, NYSurface · MSHA: Construction Sand and Gravel | 0 | 20,792 | 1 | 0 | 19.8 |
| HSS Q Portable Plant 11401646 · Active6/8 quarters reported | Linn, KSSurface · MSHA: Crushed, Broken Stone NEC | 0 | 16,082 | 1 | 0 | 23.5 |
| Hunter Cement Plant4102820 · Active6/8 quarters reported | Comal, TXFacility · MSHA: Cement | 0 | 600,764 | 50 | 6 | 219.8 |
| HUTCHINSON SAND PLANT1400501 · Active6/8 quarters reported | Reno, KSSurface · MSHA: Construction Sand and Gravel | 0 | 19,953 | 9 | 0 | 24.3 |
| I-69 Sand Pit1202129 · Active6/8 quarters reported | Vanderburgh, INSurface · MSHA: Construction Sand and Gravel | 0 | 3,908 | 13 | 0 | 90.5 |
| ICA Portable Crusher1001884 · Active6/8 quarters reported | Kootenai, IDSurface · MSHA: Construction Sand and Gravel | 0 | 24,142 | 0 | 0 | 15.3 |
| IMC Pocatello Portable Screening Plant1002322 · Active6/8 quarters reported | Bannock, IDSurface · MSHA: Construction Sand and Gravel | 0 | 13,538 | 2 | 1 | 24.5 |
| JELLICO STONE COMPANY4000057 · Active6/8 quarters reported | Campbell, TNSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 32,241 | 3 | 0 | 72.3 |
| Jenny Lind Quarry0300429 · Active6/8 quarters reported | Sebastian, ARSurface · MSHA: Crushed, Broken Sandstone | 0 | 25,079 | 2 | 1 | 25.5 |
| Johnson County Aggregates1400068 · Active5/8 quarters reported | Johnson, KSSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 109,656 | 10 | 1 | 76.5 |
| Keigley Quarry4200021 · Active6/8 quarters reported | Utah, UTSurface · MSHA: Crushed, Broken Stone NEC | 0 | 41,046 | 2 | 2 | 34.5 |
| KELLY MOUNTAIN QUARRY4603727 · Active6/8 quarters reported | Randolph, WVSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 45,688 | 0 | 0 | 40.5 |
| Lake Cumberland Stone1500099 · Active6/8 quarters reported | Pulaski, KYSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 27,222 | 0 | 0 | 68.3 |
| Landisville Quarry3600074 · Active6/8 quarters reported | Lancaster, PASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 36,137 | 7 | 0 | 38.5 |
| Leamington Cement Plant4201665 · Active6/8 quarters reported | Juab, UTFacility · MSHA: Cement | 0 | 380,931 | 52 | 6 | 139.3 |
| Lebanon Crushed Stone C6232700003 · Active6/8 quarters reported | Grafton, NHSurface · MSHA: Crushed, Broken Granite | 0 | 50,958 | 1 | 2 | 22.3 |
| Lehi Peck4201978 · Active6/8 quarters reported | Salt Lake, UTSurface · MSHA: Construction Sand and Gravel | 0 | 48,193 | 2 | 0 | 14.8 |
| Lehi Point East4202130 · Active6/8 quarters reported | Salt Lake, UTSurface · MSHA: Construction Sand and Gravel | 0 | 86,592 | 19 | 0 | 77.8 |
| Leroy Plant3000032 · Active6/8 quarters reported | Genesee, NYSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 42,810 | 0 | 0 | 33.3 |
| LEWISBURG PLANT4602794 · Active6/8 quarters reported | Greenbrier, WVSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 67,412 | 2 | 1 | 92.3 |
| Lookout Valley Quarry4000060 · Active6/8 quarters reported | Hamilton, TNSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 36,226 | 4 | 1 | 53.0 |
| Louisville Plant Quarry & Mill2500002 · Active6/8 quarters reported | Cass, NEFacility · MSHA: Cement | 0 | 400,542 | 245 | 13 | 713.5 |
| MANCHESTER PLANT3001254 · Active6/8 quarters reported | Ontario, NYSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 40,587 | 9 | 0 | 44.5 |
| Marble Cliff Quarry3300097 · Active6/8 quarters reported | Franklin, OHUnderground · MSHA: Crushed, Broken Limestone NEC | 0 | 56,342 | 34 | 3 | 296.8 |
| Marble Falls Quarry4104489 · Active6/8 quarters reported | Burnet, TXSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 502,183 | 37 | 2 | 143.8 |
| Mark West Quarry0400600 · Active6/8 quarters reported | Sonoma, CASurface · MSHA: Crushed, Broken Stone NEC | 0 | 39,713 | 3 | 2 | 49.5 |
| Maumee Quarry3300102 · Active6/8 quarters reported | Lucas, OHSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 46,554 | 15 | 2 | 71.5 |
| Maybee Quarry2000042 · Active6/8 quarters reported | Monroe, MISurface · MSHA: Crushed, Broken Limestone NEC | 0 | 45,575 | 0 | 0 | 41.3 |
| McGuire4200388 · Active6/8 quarters reported | Box Elder, UTSurface · MSHA: Construction Sand and Gravel | 0 | 58,676 | 10 | 2 | 28.5 |
| MERCER STONE PLANT4602793 · Active6/8 quarters reported | Mercer, WVSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 73,416 | 11 | 3 | 137.3 |
| Midland Quarry0301974 · Active6/8 quarters reported | Sebastian, ARSurface · MSHA: Crushed, Broken Sandstone | 0 | 17,758 | 0 | 0 | 20.0 |
| Millard Quarry3609058 · Active6/8 quarters reported | Lebanon, PASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 104,459 | 4 | 0 | 133.0 |
| MILL POINT QUARRY4600005 · Active6/8 quarters reported | Pocahontas, WVSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 33,864 | 2 | 0 | 195.0 |
| MONTANA CITY PLANT2400015 · Active6/8 quarters reported | Jefferson, MTFacility · MSHA: Cement | 0 | 253,182 | 3 | 7 | 67.5 |
| Mountain Home Materials Quarry0301908 · Active6/8 quarters reported | Baxter, ARSurface · MSHA: Crushed, Broken Stone NEC | 0 | 29,703 | 4 | 0 | 38.5 |
| Mount Hope Quarry2800026 · Active6/8 quarters reported | Morris, NJSurface · MSHA: Crushed, Broken Granite | 0 | 334,325 | 29 | 8 | 201.3 |
| Mouth of Wilson Plant4406371 · Active6/8 quarters reported | Grayson, VASurface · MSHA: Crushed, Broken Granite | 0 | 24,767 | 2 | 0 | 70.5 |
| Mt Holly Quarry3603215 · Active6/8 quarters reported | Cumberland, PASurface · MSHA: Construction Sand and Gravel | 0 | 49,737 | 9 | 1 | 52.5 |
| Mulberry Quarry0901152 · Active6/8 quarters reported | Paulding, GASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 50,998 | 5 | 0 | 63.8 |
| Muskogee Dredge3400394 · Active6/8 quarters reported | Muskogee, OKSurface · MSHA: Construction Sand and Gravel | 0 | 57,183 | 41 | 0 | 94.0 |
| Natural Bridge Stone1500075 · Active6/8 quarters reported | Powell, KYSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 86,708 | 12 | 0 | 288.8 |
| Nebo Pit4202282 · Active6/8 quarters reported | Juab, UTSurface · MSHA: Construction Sand and Gravel | 0 | 29,142 | 9 | 0 | 29.5 |
| New Amsterdam Quarry1202236 · Active6/8 quarters reported | Harrison, INSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 103,930 | 3 | 2 | 84.0 |
| New Britain Quarry0600022 · Active6/8 quarters reported | Hartford, CTSurface · MSHA: Crushed, Broken Traprock | 0 | 175,246 | 17 | 2 | 147.8 |
| NEW HAVEN CRUSHED STONE C6004300185 · Active6/8 quarters reported | Addison, VTSurface · MSHA: Crushed, Broken Stone NEC | 0 | 36,293 | 2 | 1 | 59.5 |
| Newport Sand & Gravel Co Inc2700055 · Active6/8 quarters reported | Sullivan, NHSurface · MSHA: Construction Sand and Gravel | 0 | 16,310 | 3 | 0 | 32.3 |
| NM Crusher #1 (portable)2901258 · Active6/8 quarters reported | San Juan, NMSurface · MSHA: Sand, Common | 0 | 20,526 | 1 | 0 | 42.0 |
| North Branford Quarry0600012 · Active6/8 quarters reported | New Haven, CTSurface · MSHA: Crushed, Broken Traprock | 0 | 190,506 | 14 | 5 | 76.5 |
| North Des Moines Plant1301202 · Active6/8 quarters reported | Polk, IASurface · MSHA: Construction Sand and Gravel | 0 | 22,778 | 6 | 0 | 36.8 |
| North Harrison Quarry0301895 · Active6/8 quarters reported | Boone, ARSurface · MSHA: Crushed, Broken Stone NEC | 0 | 14,768 | 1 | 0 | 27.5 |
| NSA Wet Plant1601530 · Active5/8 quarters reported | St Tammany, LASurface · MSHA: Sand, Common | 0 | 6,238 | 2 | 0 | 20.3 |
| Okay Quarry3401761 · Active6/8 quarters reported | Wagoner, OKSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 35,596 | 5 | 1 | 37.0 |
| Oldcastle Lawn and Garden Northeast1900018 · Active6/8 quarters reported | Berkshire, MASurface · MSHA: Lime | 0 | 141,341 | 5 | 0 | 64.5 |
| PALMYRA PLANT3003840 · Active6/8 quarters reported | Wayne, NYSurface · MSHA: Sand, Common | 0 | 29,025 | 1 | 1 | 26.0 |
| Patterson Road2002995 · Active6/8 quarters reported | Allegan, MISurface · MSHA: Construction Sand and Gravel | 0 | 38,245 | 2 | 2 | 51.0 |
| PATTERSONVILLE PLANT #613000025 · Active6/8 quarters reported | Montgomery, NYSurface · MSHA: Crushed, Broken Stone NEC | 0 | 75,103 | 1 | 0 | 50.8 |
| Pawhuska Quarry3400040 · Active6/8 quarters reported | Osage, OKSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 40,209 | 2 | 1 | 34.0 |
| PCP #41302300 · Active6/8 quarters reported | Polk, IASurface · MSHA: Construction Sand and Gravel | 0 | 10,558 | 5 | 0 | 18.8 |
| PENFIELD PLANT3000033 · Active6/8 quarters reported | Monroe, NYSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 45,309 | 7 | 2 | 62.8 |
| Penn Township Quarry3609272 · Active6/8 quarters reported | Cumberland, PASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 37,412 | 2 | 0 | 42.0 |
| Pike Hill Quarry2700160 · Active6/8 quarters reported | Sullivan, NHSurface · MSHA: Construction Sand and Gravel | 0 | 21,101 | 0 | 0 | 25.0 |
| Pine Mountain Stone1500056 · Active6/8 quarters reported | Letcher, KYSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 73,132 | 43 | 1 | 253.0 |
| Pisgah Aggs4202658 · Active6/8 quarters reported | Cache, UTSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 51,723 | 26 | 0 | 30.5 |
| Pit #40 Waterloo2500245 · Active6/8 quarters reported | Douglas, NESurface · MSHA: Construction Sand and Gravel | 0 | 20,921 | 2 | 0 | 16.5 |
| Pit #45 Fremont North Pit2501290 · Active6/8 quarters reported | Dodge, NESurface · MSHA: Construction Sand and Gravel | 0 | 10,500 | 1 | 0 | 17.5 |
| Pit #52 Gretna Bottoms2501299 · Active6/8 quarters reported | Sarpy, NESurface · MSHA: Construction Sand and Gravel | 0 | 27,996 | 0 | 0 | 10.5 |
| Pit #71 Columbus2500506 · Active6/8 quarters reported | Platte, NESurface · MSHA: Construction Sand and Gravel | 0 | 11,200 | 0 | 1 | 25.3 |
| Pittston Quarry3600048 · Active6/8 quarters reported | Luzerne, PASurface · MSHA: Crushed, Broken Sandstone | 0 | 45,745 | 8 | 0 | 43.5 |
| Plant #17 Indian Road3401805 · Active6/8 quarters reported | Tulsa, OKSurface · MSHA: Construction Sand and Gravel | 0 | 38,992 | 5 | 1 | 15.8 |
| Pompton Lakes Quarry2800024 · Active6/8 quarters reported | Passaic, NJSurface · MSHA: Crushed, Broken Traprock | 0 | 122,177 | 6 | 1 | 79.8 |
| Portable #2 Plant 14000301921 · Active6/8 quarters reported | Washington, OKSurface · MSHA: Crushed, Broken Limestone NEC | 0 | 42,901 | 10 | 2 | 43.5 |
| Portable Crusher #10504854 · Active6/8 quarters reported | Moffat, COSurface · MSHA: Construction Sand and Gravel | 0 | 15,447 | 8 | 2 | 27.0 |
| Portable Crusher #20503808 · Active6/8 quarters reported | Pueblo, COSurface · MSHA: Construction Sand and Gravel | 0 | 14,368 | 15 | 0 | 36.3 |
| Portable Crusher #30504706 · Active6/8 quarters reported | Las Animas, COSurface · MSHA: Construction Sand and Gravel | 0 | 22,017 | 7 | 1 | 15.0 |
| Portable Crusher #40504875 · Active6/8 quarters reported | Pueblo, COSurface · MSHA: Construction Sand and Gravel | 0 | 38,563 | 16 | 0 | 28.0 |
| Portable Plant3503782 · Active6/8 quarters reported | Douglas, ORSurface · MSHA: Crushed, Broken Stone NEC | 0 | 11,675 | 1 | 1 | 17.5 |
| Portable Screening Plant3503311 · Active6/8 quarters reported | Hood River, ORSurface · MSHA: Construction Sand and Gravel | 0 | 5,674 | 1 | 0 | 21.8 |
| Portland Plant3304581 · Active6/8 quarters reported | Meigs, OHSurface · MSHA: Construction Sand and Gravel | 0 | 27,386 | 0 | 0 | 89.8 |
| Post Falls Quarry1002018 · Active6/8 quarters reported | Kootenai, IDSurface · MSHA: Construction Sand and Gravel | 0 | 10,230 | 0 | 0 | 15.0 |
| Pounding Mill Plant4400095 · Active6/8 quarters reported | Tazewell, VASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 43,874 | 5 | 0 | 113.3 |
| PRESCOTT QUARRY3600039 · Active6/8 quarters reported | Lebanon, PASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 74,209 | 7 | 1 | 41.5 |
| Preston Quarry0301462 · Active6/8 quarters reported | Crawford, ARSurface · MSHA: Crushed, Broken Sandstone | 0 | 76,670 | 5 | 1 | 49.5 |
| P & R Mining0102822 · Active6/8 quarters reported | Escambia, ALSurface · MSHA: Construction Sand and Gravel | 0 | 124,259 | 16 | 1 | 65.3 |
| PULASKI STONE COMPANY1519092 · Active6/8 quarters reported | Pulaski, KYSurface · MSHA: Crushed, Broken Stone NEC | 0 | 27,904 | 0 | 1 | 69.5 |
| PWP #61300919 · Active6/8 quarters reported | Polk, IASurface · MSHA: Construction Sand and Gravel | 0 | 9,232 | 4 | 0 | 25.3 |
| Randolph Plant #92300695 · Active6/8 quarters reported | Clay, MOSurface · MSHA: Sand, Industrial NEC | 0 | 113,083 | 4 | 1 | 26.3 |
| Reedsville Pit3304433 · Active6/8 quarters reported | Meigs, OHSurface · MSHA: Construction Sand and Gravel | 0 | 42,289 | 8 | 2 | 125.3 |
| Reese Pit #862500223 · Active6/8 quarters reported | Madison, NESurface · MSHA: Construction Sand and Gravel | 0 | 9,082 | 1 | 0 | 18.8 |
| RENO PLANT SITE3304703 · Active6/8 quarters reported | Washington, OHSurface · MSHA: Construction Sand and Gravel | 0 | 14,038 | 0 | 0 | 30.8 |
| Ringgold Quarry0901039 · Active6/8 quarters reported | Catoosa, GASurface · MSHA: Crushed, Broken Limestone NEC | 0 | 28,946 | 1 | 0 | 59.5 |
Production and hours sum available quarterly reports. — means unavailable; zero safety records means none in the selected imported period. Ownership reflects the current MSHA record.
LOCATION
260 of 260 mines with usable MSHA coordinates. Select a marker to open a mine.
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-13. All 260 mines listed under this controller were checked; 260 have reports in the available quarters. Totals use current ownership.
reported short tons
reported employee hours
production ÷ hours worked
Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.
| Quarter | Coal (short tons) | Hours worked | Tons / hour | Avg. employees | Coverage |
|---|---|---|---|---|---|
| 2025 Q1 | 0 | 2,634,530 | 0.00 | 5,320 | 257/260 mines reporting |
| 2025 Q2 | 0 | 3,032,447 | 0.00 | 5,737 | 257/260 mines reporting |
| 2025 Q3 | 0 | 3,079,868 | 0.00 | 5,794 | 257/260 mines reporting |
| 2025 Q4 | 0 | 2,851,451 | 0.00 | 5,611 | 256/260 mines reporting |
| 2026 Q1 | 0 | 2,583,727 | 0.00 | 5,438 | 259/260 mines reporting |
| 2026 Q2 | 0 | 3,024,478 | 0.00 | 5,783 | 259/260 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
2025-01-01 – 2026-10-13
410 significant & substantial (S&S)
1 records classified as fatality
2,803 of 2,918 violations with amounts
1,350 inspections · 1,350 with hours
Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.
| Quarter | Violations | S&S | Proposed USD | Accident records | Fatality records | Inspections | On-site hours |
|---|---|---|---|---|---|---|---|
| 2025-Q1 | 382 | 50 | 282,393.00 | 32 | 0 | 176 | 2,206.8 |
| 2025-Q2 | 461 | 50 | 341,165.00 | 45 | 0 | 185 | 2,948.8 |
| 2025-Q3 | 383 | 47 | 129,039.00 | 43 | 0 | 219 | 2,226.0 |
| 2025-Q4 | 405 | 70 | 408,730.00 | 34 | 0 | 166 | 2,654.3 |
| 2026-Q1 | 383 | 55 | 401,478.00 | 38 | 1 | 182 | 2,126.0 |
| 2026-Q2 | 559 | 81 | 594,555.00 | 42 | 0 | 211 | 3,536.0 |
| 2026-Q3 | 325 | 49 | 181,726.00 | 42 | 0 | 194 | 2,116.8 |
| 2026-Q4 * | 20 | 8 | — | 0 | 0 | 17 | 79.0 |
All violations issued in the selected period. Counts combine subsections.
Regular Safety and Health Inspection · 0.0 on-site hours
Regular Safety and Health Inspection · 0.0 on-site hours
Regular Safety and Health Inspection · 5.0 on-site hours
56.14107(a)
46.7(a) · S&S
57.20003(a) · S&S
48.28(a)
56.11002
56.11003
56.4101
Regular Safety and Health Inspection · 0.0 on-site hours
Impoundment Spot Inspection · 0.0 on-site hours
Regular Safety and Health Inspection · 0.0 on-site hours
46.9(a)
56.12004
56.20003(a)
56.14101(a)(2) · S&S
56.4402
56.11001 · S&S
56.15005 · S&S
103 (g) Written Notification Hazard Complaint Inspectio · 4.5 on-site hours
Verbal Hazard Complaint Inspections · 4.5 on-site hours
Regular Safety and Health Inspection · 8.0 on-site hours
Regular Safety and Health Inspection · 0.0 on-site hours
Regular Safety and Health Inspection · 26.0 on-site hours
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-13.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.
CFR headings link to the current Title 30 index; they are not historical legal determinations.
SELECTED PORTFOLIO
Relationships reflect the selected mine status and current MSHA controller/operator fields.