# MCGREGOR

- **MSHA mine ID:** 2402226
- **Status:** Intermittent
- **Type / commodity:** Surface / Dimension Stone NEC
- **Location:** Flathead, MT
- **Operator:** Montana Rockworks Inc.
- **Controller:** Brad  Mercord
- **Public source rows linked:** 454
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Brad  Mercord (0192760) → Montana Rockworks Inc. (0083324) → MCGREGOR (2402226)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Bill  Carter et al → Montana Rockworks Llp:** 2001-09-01 through 2007-09-13; derived from co-tenure at mine 2402226; source `msha-controller-operator-history`.
- **Brad  Mercord et al → Montana Rockworks Llp:** 2001-09-01 through 2007-09-13; derived from co-tenure at mine 2402226; source `msha-controller-operator-history`.
- **Bill  Carter et al → Montana Rockworks Inc.:** 2007-09-14 through 2023-01-06; derived from co-tenure at mine 2402226; source `msha-controller-operator-history`.
- **Brad  Mercord et al → Montana Rockworks Inc.:** 2007-09-14 through 2023-01-06; derived from co-tenure at mine 2402226; source `msha-controller-operator-history`.
- **Brad  Mercord → Montana Rockworks Inc.:** 2023-01-07 through current/open; derived from co-tenure at mine 2402226; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 10
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 6 since 2021:** Accidents and injuries 20 historical accident/injury rows; 1 coded fatalities and 42 lost days across the published record.
2. **COMPLIANCE — 22 since 2021:** Violations and penalties 83 violation rows across the full record; 22 carry an S&S flag and $69,261 appears in current assessed amounts.
3. **HEALTH — 11 samples:** Occupational health samples 11 personal. 3 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 1K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 11 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 4 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 1 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 17 since 2021:** Inspections 66 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 56.20008 — Toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.4102 — Spillage and leakage.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4102
- **30 CFR 56.23002 — Written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23002
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **30 CFR 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **30 CFR 56.9101 — Operating speeds and control of equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9101
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003

## Source coverage

- **Accident, Injuries, and Illnesses:** 20 rows; 2005-05-23 through 2025-04-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-04-14 through 2026-04-14; source ID `msha-addresses`
- **Assessed Violations:** 82 rows; 2002-06-19 through 2026-03-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2017-09-19 through 2020-08-20; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 7 rows; 2017-03-02 through 2020-02-04; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 6 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 2 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2001-09-01 through 2007-09-14; source ID `msha-controller-operator-history`
- **Inspections:** 66 rows; 2002-06-19 through 2026-03-24; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 136 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 30 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 11 rows; 2014-06-11 through 2021-07-28; source ID `msha-personal-health-samples`
- **Violations:** 83 rows; 2002-06-19 through 2026-03-24; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/mcgregor-2402226`
- JSON: `/api/v1/mines/mcgregor-2402226`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2402226/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2402226/relationships`
- MCP resource: `mine://2402226/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`