ALL STATUSES / OPERATOR PORTFOLIO
Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.
MINE PORTFOLIO
2025-01-01 – 2026-10-17. All statuses 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 |
|---|---|---|---|---|---|---|
| Buffington Plant1200426 · Active | Lake, INFacility · MSHA: Lime | — | — | 137 | 4 | 368.5 |
| LONGVIEW OPERATION0100394 · Active | Shelby, ALSurface · MSHA: Lime | — | — | 15 | 1 | 192.8 |
| Manitowoc Plant4700146 · Active | Manitowoc, WISurface · MSHA: Lime | — | — | 36 | 1 | 179.5 |
| Maysville Mine1507101 · Active | Mason, KYUnderground · MSHA: Crushed, Broken Limestone NEC | — | — | 35 | 12 | 1,051.3 |
| River Rouge Facility2000362 · Active | Wayne, MIFacility · MSHA: Lime | — | — | 18 | 0 | 97.5 |
| Underground Black River Operation1500062 · Active | Pendleton, KYUnderground · MSHA: Crushed, Broken Limestone NEC | — | — | 154 | 19 | 925.3 |
| Maysville Kiln Plant1509740 · Abandoned | Mason, KYFacility · MSHA: Lime | — | — | 0 | 0 | — |
| Penroc3600184 · Abandoned | York, PASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Plant Black River Operation1505484 · Abandoned | Pendleton, KYFacility · MSHA: Lime | — | — | 0 | 0 | — |
| South Chicago Plant1102161 · Abandoned | Cook, ILFacility · MSHA: Lime | — | — | 0 | 0 | — |
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
10 of 10 mines with usable MSHA coordinates. Select a marker to open a mine.
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-17. All 10 mines listed under this operator were checked; 0 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 | — | — | — | — | No report |
| 2025 Q2 | — | — | — | — | No report |
| 2025 Q3 | — | — | — | — | No report |
| 2025 Q4 | — | — | — | — | No report |
| 2026 Q1 | — | — | — | — | No report |
| 2026 Q2 | — | — | — | — | No report |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
2025-01-01 – 2026-10-17
105 significant & substantial (S&S)
0 records classified as fatality
391 of 395 violations with amounts
55 inspections · 55 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 | 59 | 14 | 32,958.00 | 4 | 0 | 14 | 483.0 |
| 2025-Q2 | 73 | 19 | 69,322.00 | 5 | 0 | 5 | 438.3 |
| 2025-Q3 | 31 | 7 | 15,964.00 | 7 | 0 | 6 | 338.8 |
| 2025-Q4 | 25 | 7 | 12,658.00 | 4 | 0 | 3 | 228.0 |
| 2026-Q1 | 86 | 24 | 53,270.00 | 12 | 0 | 10 | 510.5 |
| 2026-Q2 | 86 | 27 | 92,807.00 | 3 | 0 | 10 | 525.5 |
| 2026-Q3 | 33 | 6 | 8,146.00 | 2 | 0 | 6 | 282.3 |
| 2026-Q4 * | 2 | 1 | — | 0 | 0 | 1 | 8.5 |
All violations issued in the selected period. Counts combine subsections.
57.12032 · S&S
47.44(b)
Regular Safety and Health Inspection · 8.5 on-site hours
Spot Inspection · 4.5 on-site hours
STEPPING OR KNEELING ON OBJECT · DAYS AWAY FROM WORK ONLY
EE stepped on a piece of large kiln feed stone and felt pain in their left knee. This incident happened while exiting a surface haul truck.
SLIP OR FALL OF PERSON · DAYS AWAY FROM WORK ONLY
Employee injured left ankle while clearer brush at the 006-discharge pond. EE states took a step on an incline, slipped and fell followed by pain in ankle. EE also said a popping sound was heard.
Verbal Hazard Complaint Inspections · 5.8 on-site hours
Verbal Hazard Complaint Inspections · 2.5 on-site hours
57.11001 · S&S · $1,431.00 proposed
62.120 · $151.00 proposed
62.120 · $151.00 proposed
56.20003(a) · $151.00 proposed
56.20003(a) · $151.00 proposed
56.11001 · S&S · $432.00 proposed
56.14100(a) · $336.00 proposed
Regular Safety and Health Inspection · 49.3 on-site hours
57.13021 · $151.00 proposed
57.12028 · $151.00 proposed
57.17001 · $151.00 proposed
57.14107(b) · S&S · $883.00 proposed
57.14100(b) · $151.00 proposed
57.11008 · $151.00 proposed
57.14112(a)(1) · S&S · $398.00 proposed
57.12032 · S&S · $267.00 proposed
57.20008(a) · $151.00 proposed
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-17.
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.