# WILLIS

- **MSHA mine ID:** 3401453
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Marshall, OK
- **Operator:** Meridian Aggregates Co LP
- **Controller:** Martin Marietta Materials Inc
- **Public source rows linked:** 151
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Martin Marietta Materials Inc (M00174) → Meridian Aggregates Co LP (L18213) → WILLIS (3401453)**

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

## Controller and operator valid-time history

- **William  Boorhem  et al → Boorhem-Fields Inc:** 1984-05-01 through 1993-03-14; derived from co-tenure at mine 3401453; source `msha-controller-operator-history`.
- **Meridian Aggregates Company LP → Meridian Aggregates Company:** 1993-03-15 through 2001-04-02; derived from co-tenure at mine 3401453; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Meridian Aggregates Co LP:** 2001-04-03 through current/open; derived from co-tenure at mine 3401453; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 22 violation rows across the full record; 7 carry an S&S flag and $2,397 appears in current assessed amounts.
3. **HEALTH — 5 samples:** Occupational health samples 5 personal. 0 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 9K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 0 since 2021:** Inspections 22 inspection events and 126 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 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.6306 — Loading, blasting, and security.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6306
- **30 CFR 56.6201 — Separation of transported explosive material.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6201
- **30 CFR 56.6202 — Vehicles.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6202
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2002-01-19 through 2002-01-19; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-09-29 through 2004-09-29; source ID `msha-addresses`
- **Assessed Violations:** 22 rows; 2000-04-04 through 2003-12-10; source ID `msha-assessed-violations`
- **Controller and Operator History:** 3 rows; 1984-05-01 through 2001-04-03; source ID `msha-controller-operator-history`
- **Inspections:** 22 rows; 2000-04-04 through 2004-04-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 59 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 15 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:** 5 rows; 2002-06-11 through 2002-06-11; source ID `msha-personal-health-samples`
- **Violations:** 22 rows; 2000-04-04 through 2003-12-10; 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/willis-3401453`
- JSON: `/api/v1/mines/willis-3401453`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3401453/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3401453/relationships`
- MCP resource: `mine://3401453/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`