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 |
|---|---|---|---|---|---|---|
| Chicken Ridge4702846 · Intermittent | Winona, MNSurface · MSHA: Construction Sand and Gravel | — | — | 3 | 0 | 18.5 |
| DREDGE & WASH PLANT NO 51302110 · Intermittent | Winneshiek, IASurface · MSHA: Construction Sand and Gravel | — | — | 1 | 0 | 9.0 |
| Green Limestone Crushing Plant #11302095 · Intermittent | Floyd, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 10 | 0 | 33.8 |
| Green Limestone Crushing Plant #21302096 · Active | Floyd, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 2 | 0 | 20.0 |
| PLANT #31300010 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 3 | 0 | 10.5 |
| PLANT NO 11302118 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 1 | 0 | 21.3 |
| PLANT NO 21302119 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 3 | 0 | 6.0 |
| PLANT NO 44801723 · Intermittent | Winneshiek, IASurface · MSHA: Construction Sand and Gravel | — | — | 1 | 0 | 23.3 |
| PLANT NO 52100071 · Active | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 3 | 0 | 12.0 |
| PLANT NO 62102668 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | 7.0 |
| PLANT NO 71302157 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 4 | 0 | 17.5 |
| PLANT NO 81300857 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 1 | 0 | 7.3 |
| Rip Rap Plant1302384 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | 2.0 |
| Screen Plant #11302436 · Intermittent | Winneshiek, IASurface · MSHA: Construction Sand and Gravel | — | — | 1 | 0 | 10.3 |
| Stripping Crew #11302431 · Active | Winneshiek, IASurface · MSHA: Crushed, Broken Stone NEC | — | — | 4 | 0 | 15.0 |
| Stripping Crew #21302437 · Active | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 4 | 0 | 15.5 |
| WASH PLANT NO 11302144 · Intermittent | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | 8.0 |
| WASH PLANT NO 21302372 · Intermittent | Winneshiek, IASurface · MSHA: Dimension Limestone | — | — | 1 | 0 | 8.0 |
| WASH PLANT NO 41300657 · Active | Winneshiek, IASurface · MSHA: Construction Sand and Gravel | — | — | 3 | 0 | 38.5 |
| Brooks Quarry1300151 · Abandoned | Buchanan, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Bruening Shop1301426 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Festina Quarry1301609 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Fulsaas Quarry1301942 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Green Limestone Gravel Plant1302099 · Abandoned | Floyd, IASurface · MSHA: Construction Sand and Gravel | — | — | 0 | 0 | — |
| Green Limestone Sand Plant1302098 · Abandoned | Floyd, IASurface · MSHA: Construction Sand and Gravel | — | — | 0 | 0 | 1.3 |
| Green Limestone Shop1302100 · Abandoned | Floyd, IAFacility · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Green Limestone Wash Plant1302097 · Abandoned | Floyd, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Green Quarry1301990 · Abandoned | Allamakee, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Hammell Quarry1301858 · Abandoned | Allamakee, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Hanson Quarry1301761 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Lacoste Quarry1301856 · Abandoned | Floyd, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Landas Quarry1301887 · Abandoned | Fayette, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Lange Quarry1301587 · Abandoned | Allamakee, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Lewsch And Borseth Quarry1301790 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Mauer Quarry1301936 · Abandoned | Howard, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Mielke Quarry1301762 · Abandoned | Clayton, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Nelson Quarry1300869 · Abandoned | Howard, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Peterson Quarry1301989 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Reicks Quarry1301857 · Abandoned | Howard, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Serslend Quarry1301687 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Sexton Quarry1301686 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| South Shop Karnick Building1302355 · Abandoned | Winneshiek, IAFacility · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| S & S QUARRIES1300053 · Abandoned | Marion, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Stoskopf Quarry1301961 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| Stripping Crew #31302230 · Abandoned | Winneshiek, IASurface · MSHA: Construction Sand and Gravel | — | — | 3 | 0 | 6.0 |
| Thompson Quarry1301685 · Abandoned | Winneshiek, IASurface · MSHA: Crushed, Broken Limestone NEC | — | — | 0 | 0 | — |
| WASH PLANT NO 32102933 · Abandoned | Winneshiek, IASurface · MSHA: Construction Sand and Gravel | — | — | 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
27 of 47 mines with usable MSHA coordinates. Select a marker to open a mine.
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-17. All 47 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
10 significant & substantial (S&S)
0 records classified as fatality
43 of 48 violations with amounts
50 inspections · 50 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 | 3 | 2 | 2,166.00 | 0 | 0 | 5 | 21.0 |
| 2025-Q2 | 20 | 4 | 4,652.00 | 0 | 0 | 12 | 70.3 |
| 2025-Q3 | 0 | 0 | — | 0 | 0 | 4 | 12.5 |
| 2025-Q4 | 5 | 1 | 755.00 | 0 | 0 | 7 | 44.0 |
| 2026-Q1 | 8 | 2 | 6,984.00 | 0 | 0 | 6 | 58.5 |
| 2026-Q2 | 7 | 0 | 1,057.00 | 0 | 0 | 9 | 43.3 |
| 2026-Q3 | 2 | 1 | — | 0 | 0 | 6 | 41.0 |
| 2026-Q4 * | 3 | 0 | — | 0 | 0 | 1 | 0.0 |
All violations issued in the selected period. Counts combine subsections.
56.14107(a)
56.14207
56.4201(a)(2)
Regular Safety and Health Inspection · 0.0 on-site hours
Spot Inspection · 11.5 on-site hours
Spot Inspection · 4.3 on-site hours
Regular Safety and Health Inspection · 15.3 on-site hours
56.9300(a)
56.14130(g) · S&S
Regular Safety and Health Inspection · 5.0 on-site hours
Regular Safety and Health Inspection · 4.8 on-site hours
Mine Idle Activity · 0.3 on-site hours
Regular Safety and Health Inspection · 7.3 on-site hours
Regular Safety and Health Inspection · 2.5 on-site hours
Regular Safety and Health Inspection · 2.0 on-site hours
56.14201(b) · $151.00 proposed
Regular Safety and Health Inspection · 3.8 on-site hours
Regular Safety and Health Inspection · 6.8 on-site hours
56.14112(b) · $151.00 proposed
56.12004 · $151.00 proposed
56.18002(b) · $151.00 proposed
Regular Safety and Health Inspection · 3.5 on-site hours
56.4201(a)(1) · $151.00 proposed
Regular Safety and Health Inspection · 3.5 on-site hours
56.9300(b) · $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.