# King II

- **MSHA mine ID:** 0504864
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** La Plata, CO
- **Operator:** GCC Energy LLC
- **Controller:** GCC SAB de CV
- **Public source rows linked:** 17,324
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**GCC SAB de CV (M10343) → GCC Energy LLC (0059743) → King II (0504864)**

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

## Controller and operator valid-time history

- **GCC SAB de CV → GCC Energy LLC:** 2007-02-27 through current/open; derived from co-tenure at mine 0504864; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 14 since 2021:** Accidents and injuries 84 historical accident/injury rows; 0 coded fatalities and 747 lost days across the published record.
2. **COMPLIANCE — 614 since 2021:** Violations and penalties 1,671 violation rows across the full record; 223 carry an S&S flag and $815,449 appears in current assessed amounts.
3. **HEALTH — 11K samples:** Occupational health samples 9,664 coal dust; 440 coal quartz; 488 noise. 0 personal-sample rows have a published C/E ratio above 1; 35 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 — 53K tons:** Quarterly production and employment 16K employee hours and 38 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 956 linked rows:** Contests, conferences and decisions 465 contested-violation rows, 461 civil-penalty docket/decision rows, and 30 conference records linked by issuance number.
6. **CONTRACTORS — 17 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 — 48 since 2021:** Inspections 172 inspection events and 23K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 582,342 short tons
- **Labor hours:** 167,632
- **Average employees:** 104
- **Coal supply region:** Western
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **30 CFR 75.1600-2 — Communication facilities; working sections; installation and maintenance requirements; audible or visual alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-Q/section-75.1600-2
- **30 CFR 75.333 — Ventilation controls.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 49.16 — Equipment and maintenance requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-49/subpart-B/section-49.16
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725

## Source coverage

- **Accident, Injuries, and Illnesses:** 84 rows; 2007-07-27 through 2026-02-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-07-24 through 2007-07-24; source ID `msha-addresses`
- **Assessed Violations:** 1,635 rows; 2007-09-18 through 2026-08-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 461 rows; 2009-10-27 through 2025-12-17; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 9,664 rows; 2007-09-04 through 2026-10-08; source ID `msha-coal-dust-samples`
- **Conferences:** 30 rows; 2008-05-20 through 2024-06-21; source ID `msha-conferences`
- **Contested Violations:** 465 rows; 2007-10-03 through 2025-11-20; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,591 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 342 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2007-02-27 through 2007-02-27; source ID `msha-controller-operator-history`
- **Inspections:** 172 rows; 2007-09-17 through 2026-08-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 221 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 57 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 488 rows; 2007-10-02 through 2026-09-23; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 440 rows; 2008-08-04 through 2026-08-25; source ID `msha-quartz-samples`
- **Violations:** 1,671 rows; 2007-09-18 through 2026-09-23; 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/king-ii-0504864`
- JSON: `/api/v1/mines/king-ii-0504864`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0504864/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0504864/relationships`
- MCP resource: `mine://0504864/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`