# L Massey Mine

- **MSHA mine ID:** 0103116
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Walker, AL
- **Operator:** Centennial Natural Resources LLC
- **Controller:** NACCO Industries Inc
- **Public source rows linked:** 955
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**NACCO Industries Inc (C01333) → Centennial Natural Resources LLC (0135953) → L Massey Mine (0103116)**

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

## Controller and operator valid-time history

- **Frank C  Mann → National Coal of Alabama Inc:** 1998-01-01 through 2007-10-18; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **National Coal Corporation → National Coal of Alabama Inc:** 2007-10-19 through 2009-08-02; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **TCW Energy Fund XIV-A, L.P. et al → National Coal of Alabama Inc:** 2009-08-03 through 2013-12-04; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **Robert J  Reed Sr → Reed Minerals, Inc.:** 2013-12-05 through 2012-08-31; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **TRU Energy Services LLC → Reed Minerals, Inc.:** 2013-12-05 through 2012-10-29; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **Reid Dolores → Reed Minerals, Inc.:** 2013-12-05 through 2002-09-30; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **NACCO Industries Inc → Reed Minerals, Inc.:** 2013-12-05 through 2014-11-10; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.
- **NACCO Industries Inc → Centennial Natural Resources LLC:** 2014-11-11 through current/open; derived from co-tenure at mine 0103116; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 19
- Interval anomalies: 3
- 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 10 historical accident/injury rows; 0 coded fatalities and 383 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 132 violation rows across the full record; 39 carry an S&S flag and $61,266 appears in current assessed amounts.
3. **HEALTH — 264 samples:** Occupational health samples 171 coal dust; 14 coal quartz; 79 noise. 0 personal-sample rows have a published C/E ratio above 1; 7 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 2 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 — 0 since 2021:** Inspections 73 inspection events and 994 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 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 48.31 — Hazard training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **30 CFR 77.1703 — First-Aid training; supervisory employees.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1703
- **30 CFR 77.1710 — Protective clothing; requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1710

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2003-01-28 through 2006-02-27; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-07-13 through 2012-07-13; source ID `msha-addresses`
- **Assessed Violations:** 130 rows; 2001-04-11 through 2009-09-28; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 171 rows; 2000-02-01 through 2010-02-23; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2008-05-20 through 2008-05-20; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 219 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 58 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1998-01-01 through 2014-11-11; source ID `msha-controller-operator-history`
- **Inspections:** 73 rows; 2000-01-31 through 2015-04-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 47 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 79 rows; 2000-07-17 through 2010-02-23; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 14 rows; 2001-03-06 through 2009-09-09; source ID `msha-quartz-samples`
- **Violations:** 132 rows; 2001-04-11 through 2009-09-28; 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/l-massey-mine-0103116`
- JSON: `/api/v1/mines/l-massey-mine-0103116`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0103116/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0103116/relationships`
- MCP resource: `mine://0103116/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`