# Mathis

- **MSHA mine ID:** 3401678
- **Status:** Intermittent
- **Type / commodity:** Surface / Common Shale
- **Location:** Craig, OK
- **Operator:** Craig County District #2
- **Controller:** Craig County-OK
- **Public source rows linked:** 343
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Craig County-OK (M02223) → Craig County District #2 (L02630) → Mathis (3401678)**

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

## Controller and operator valid-time history

- **City Of Oklahoma City-Ok → City Of Oklahoma City:** 1989-05-01 through 2001-02-01; derived from co-tenure at mine 3401678; source `msha-controller-operator-history`.
- **Craig County-OK → Craig County District #2:** 2001-02-02 through current/open; derived from co-tenure at mine 3401678; 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 22 since 2021:** Violations and penalties 78 violation rows across the full record; 15 carry an S&S flag and $17,855 appears in current assessed amounts.
3. **HEALTH — 4 samples:** Occupational health samples 4 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 224 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 21 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 9 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 — 8 since 2021:** Inspections 43 inspection events and 350 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 56.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 56.3430 — Activity between machinery or equipment and the highwall or bank.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3430
- **30 CFR 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300

## Source coverage

- **Addresses of Record:** 1 rows; 2006-05-01 through 2006-05-01; source ID `msha-addresses`
- **Assessed Violations:** 70 rows; 2003-03-18 through 2026-03-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2017-08-30 through 2017-08-30; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 9 rows; 2016-06-02 through 2016-06-02; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2017-03-10 through 2017-03-10; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 1989-05-01 through 2001-02-02; source ID `msha-controller-operator-history`
- **Inspections:** 43 rows; 2001-08-23 through 2026-03-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 98 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 25 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:** 4 rows; 2012-03-15 through 2020-09-23; source ID `msha-personal-health-samples`
- **Violations:** 78 rows; 2001-08-23 through 2026-03-03; 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/mathis-3401678`
- JSON: `/api/v1/mines/mathis-3401678`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3401678/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3401678/relationships`
- MCP resource: `mine://3401678/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`