# Washita Quarry

- **MSHA mine ID:** 3402049
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Murray, OK
- **Operator:** Martin Marietta Materials, Inc
- **Controller:** Martin Marietta Materials Inc
- **Public source rows linked:** 853
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Martin Marietta Materials Inc (M00174) → Martin Marietta Materials, Inc (L16197) → Washita Quarry (3402049)**

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

## Controller and operator valid-time history

- **Boral Limited → BCM Oklahoma LLC:** 2007-08-21 through 2015-01-16; derived from co-tenure at mine 3402049; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Martin Marietta Materials, Inc:** 2015-01-17 through current/open; derived from co-tenure at mine 3402049; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 14 since 2021:** Violations and penalties 109 violation rows across the full record; 37 carry an S&S flag and $29,226 appears in current assessed amounts.
3. **HEALTH — 36 samples:** Occupational health samples 36 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 11 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 14 since 2021:** Inspections 55 inspection events and 791 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 56.12004 — Electrical conductors.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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
- **30 CFR 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **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 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **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 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2008-06-28 through 2014-06-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-08-21 through 2007-08-21; source ID `msha-addresses`
- **Assessed Violations:** 109 rows; 2007-12-13 through 2026-06-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2009-10-30 through 2011-11-07; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2016-05-24 through 2016-05-24; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2008-12-11 through 2011-04-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 400 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 83 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2007-08-21 through 2015-01-17; source ID `msha-controller-operator-history`
- **Inspections:** 55 rows; 2007-12-13 through 2026-06-02; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 40 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:** 36 rows; 2009-09-24 through 2026-06-03; source ID `msha-personal-health-samples`
- **Violations:** 109 rows; 2007-12-13 through 2026-06-02; 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/washita-quarry-3402049`
- JSON: `/api/v1/mines/washita-quarry-3402049`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3402049/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3402049/relationships`
- MCP resource: `mine://3402049/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`