# Pearl

- **MSHA mine ID:** 4104821
- **Status:** Intermittent
- **Type / commodity:** Surface / Dimension Limestone
- **Location:** Pecos, TX
- **Operator:** Crockett County Mining Venture No.1 Ltd.
- **Controller:** Amrize South Central
- **Public source rows linked:** 314
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Amrize South Central (0199260) → Crockett County Mining Venture No.1 Ltd. (0208673) → Pearl (4104821)**

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

## Controller and operator valid-time history

- **Ted L  Stewart → Key Enterprises Inc.:** 2010-04-06 through 2010-09-30; derived from co-tenure at mine 4104821; source `msha-controller-operator-history`.
- **Larry  Bates  et al → Crockett County Mining, LTD:** 2010-10-01 through 2013-10-01; derived from co-tenure at mine 4104821; source `msha-controller-operator-history`.
- **W L Ross & Co LLC et al → Crockett County Mining, LTD:** 2013-10-02 through 2015-07-31; derived from co-tenure at mine 4104821; source `msha-controller-operator-history`.
- **W L Ross & Co LLC et al → Permian Basin Materials, LLC:** 2015-08-01 through 2026-02-17; derived from co-tenure at mine 4104821; source `msha-controller-operator-history`.
- **Amrize South Central → Permian Basin Materials, LLC:** 2026-02-18 through 2026-02-17; derived from co-tenure at mine 4104821; source `msha-controller-operator-history`.
- **Amrize South Central → Crockett County Mining Venture No.1 Ltd.:** 2026-02-18 through current/open; derived from co-tenure at mine 4104821; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 15
- Interval anomalies: 1
- 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 8 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 4 since 2021:** Violations and penalties 76 violation rows across the full record; 25 carry an S&S flag and $29,140 appears in current assessed amounts.
3. **HEALTH — 7 samples:** Occupational health samples 7 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 277 employee hours and 4 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 — 5 since 2021:** Inspections 33 inspection events and 362 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 56.23002 — 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 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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.9100 — Traffic control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9100
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14108 — Overhead drive belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14108
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2014-12-05 through 2017-06-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-05-16 through 2024-05-16; source ID `msha-addresses`
- **Assessed Violations:** 71 rows; 2010-08-24 through 2019-09-06; source ID `msha-assessed-violations`
- **Controller and Operator History:** 6 rows; 2010-04-06 through 2026-02-18; source ID `msha-controller-operator-history`
- **Inspections:** 33 rows; 2010-08-24 through 2026-09-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 86 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:** 7 rows; 2015-06-03 through 2017-08-09; source ID `msha-personal-health-samples`
- **Violations:** 76 rows; 2010-08-24 through 2026-09-01; 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/pearl-4104821`
- JSON: `/api/v1/mines/pearl-4104821`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4104821/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4104821/relationships`
- MCP resource: `mine://4104821/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`