ALL STATUSES / CONTROLLER PORTFOLIO

Rex Leipheimer; John Jeffery

Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.

MSHA CONTROLLER ID0149601

MINE PORTFOLIO

10 of 10 mines and facilities

2025-01-01 – 2026-10-13. All statuses records; production reporting is not required.

MineLocation / typeCoal · short tonsHours workedViolationsAccident recordsOn-site inspection hours
JEFFERY PORTABLE CRUSHER2401416 · Intermittent6/8 quarters reportedDeer Lodge, MTSurface · MSHA: Construction Sand and Gravel04,503206.8
Jeffery Wash Plant2402803 · Intermittent6/8 quarters reportedDeer Lodge, MTSurface · MSHA: Construction Sand and Gravel02,518607.0
Mobile Crusher2402123 · Intermittent6/8 quarters reportedBeaverhead, MTSurface · MSHA: Construction Sand and Gravel02,955307.8
Portable #32402761 · Intermittent6/8 quarters reportedDeer Lodge, MTSurface · MSHA: Construction Sand and Gravel02,3692012.0
R E MILLER AND SONS2402043 · Intermittent6/8 quarters reportedBeaverhead, MTSurface · MSHA: Construction Sand and Gravel02,232407.0
R. E. Miller & Sons - Portable (Mobile G2402465 · Intermittent6/8 quarters reportedBeaverhead, MTSurface · MSHA: Construction Sand and Gravel0962308.3
HORSECREEK PIT2402212 · AbandonedMadison, MTSurface · MSHA: Dimension Stone NEC——00—
Jeffery Portable Pugmill #22402490 · AbandonedSilver Bow, MTSurface · MSHA: Construction Sand and Gravel——00—
R E Miller & Sons - Sprint Screen2402446 · AbandonedBeaverhead, MTSurface · MSHA: Construction Sand and Gravel——00—
Stoltze Crusher2402724 · Temporarily Idled3/8 quarters reportedBeaverhead, MTSurface · MSHA: Construction Sand and Gravel014900—

LOCATION

Portfolio map

8 of 10 mines with usable MSHA coordinates. Select a marker to open a mine.

Mine coordinates

2025-01-01 – 2026-10-13Applies to production, safety and portfolio metrics. Silica samples have separate filters.

Violations

20

2 significant & substantial (S&S)

  1. 2025 Q18
  2. 2025 Q23
  3. 2025 Q32
  4. 2025 Q43
  5. 2026 Q13
  6. 2026 Q21
  7. 2026 Q30
  8. 2026 Q4 *0

Accident records

0

0 records classified as fatality

  1. 2025 Q10
  2. 2025 Q20
  3. 2025 Q30
  4. 2025 Q40
  5. 2026 Q10
  6. 2026 Q20
  7. 2026 Q30
  8. 2026 Q4 *0

Proposed penalties · USD

3,235.00

20 of 20 violations with amounts

  1. 2025 Q11,208
  2. 2025 Q2453
  3. 2025 Q3302
  4. 2025 Q4668
  5. 2026 Q1453
  6. 2026 Q2151
  7. 2026 Q3—
  8. 2026 Q4 *—

On-site inspection hours

48.75

13 inspections · 13 with hours

  1. 2025 Q112.25
  2. 2025 Q27.75
  3. 2025 Q37.25
  4. 2025 Q43.50
  5. 2026 Q18.25
  6. 2026 Q25.00
  7. 2026 Q34.75
  8. 2026 Q4 *—
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q1801,208.0000412.3
2025-Q231453.000027.8
2025-Q320302.000017.3
2025-Q431668.000013.5
2026-Q130453.000028.3
2026-Q210151.000025.0
2026-Q300—0014.8
2026-Q4 *00—000—

Most cited CFR sections

All violations issued in the selected period. Counts combine subsections.

Safety activity

  1. inspectionF038C34
    Portable #3 · 2402761

    Regular Safety and Health Inspection · 4.8 on-site hours

  2. inspectionF031137
    JEFFERY PORTABLE CRUSHER · 2401416

    Regular Safety and Health Inspection · 3.0 on-site hours

  3. inspectionF031138
    Jeffery Wash Plant · 2402803

    Regular Safety and Health Inspection · 2.0 on-site hours

  4. violation5211222
    Jeffery Wash Plant · 2402803

    56.12004 · $151.00 proposed

  5. inspectionF0153B4
    R. E. Miller & Sons - Portable (Mobile G · 2402465

    Regular Safety and Health Inspection · 4.0 on-site hours

  6. violation9826781
    R. E. Miller & Sons - Portable (Mobile G · 2402465

    56.15001 · $151.00 proposed

  7. inspectionF0153B3
    Mobile Crusher · 2402123

    Regular Safety and Health Inspection · 4.3 on-site hours

  8. violation9826780
    Mobile Crusher · 2402123

    56.14100(c) · $151.00 proposed

  9. violation9826779
    Mobile Crusher · 2402123

    56.4104(a) · $151.00 proposed

  10. inspectionF017DFD
    R E MILLER AND SONS · 2402043

    Regular Safety and Health Inspection · 3.5 on-site hours

  11. violation5053935
    R E MILLER AND SONS · 2402043

    56.16003 · $151.00 proposed

  12. violation5053934
    R E MILLER AND SONS · 2402043

    56.12004 · $151.00 proposed

  13. violation5053933
    R E MILLER AND SONS · 2402043

    56.14112(b) · S&S · $366.00 proposed

  14. inspection6948792
    Portable #3 · 2402761

    Regular Safety and Health Inspection · 7.3 on-site hours

  15. violation9826719
    Portable #3 · 2402761

    47.42 · $151.00 proposed

  16. violation9826718
    Portable #3 · 2402761

    56.9300(b) · $151.00 proposed

  17. inspectionF028C07
    Mobile Crusher · 2402123

    Regular Safety and Health Inspection · 3.5 on-site hours

  18. violation5053418
    Mobile Crusher · 2402123

    56.12030 · S&S · $151.00 proposed

  19. inspectionF029870
    R. E. Miller & Sons - Portable (Mobile G · 2402465

    Regular Safety and Health Inspection · 4.3 on-site hours

  20. violation5053317
    R. E. Miller & Sons - Portable (Mobile G · 2402465

    56.14100(b) · $151.00 proposed

  21. violation5053316
    R. E. Miller & Sons - Portable (Mobile G · 2402465

    56.4201(a)(2) · $151.00 proposed

  22. violation9828535
    JEFFERY PORTABLE CRUSHER · 2401416

    56.16005 · $151.00 proposed

  23. violation9828534
    JEFFERY PORTABLE CRUSHER · 2401416

    56.12004 · $151.00 proposed

  24. violation9828533
    Jeffery Wash Plant · 2402803

    56.14107(a) · $151.00 proposed

  25. violation9828532
    Jeffery Wash Plant · 2402803

    56.4104(b) · $151.00 proposed

Safety sources and definitions

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

3 linked operators.

Relationships reflect the selected mine status and current MSHA controller/operator fields.