# ADDCAR SYSTEM 16

- **MSHA mine ID:** 4003376
- **Status:** Temporarily Idled
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Mckinley, NM
- **Operator:** MEGA HIGHWALL MINING LLC
- **Controller:** Daniel W  Bunn
- **Public source rows linked:** 560
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Daniel W  Bunn (0101029) → MEGA HIGHWALL MINING LLC (0149874) → ADDCAR SYSTEM 16 (4003376)**

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

## Controller and operator valid-time history

- **Robert  Swisher et al → Premium Coal Company, Inc.:** 2010-04-02 through 2008-09-11; derived from co-tenure at mine 4003376; source `msha-controller-operator-history`.
- **James C  Justice II et al → Premium Coal Company, Inc.:** 2010-04-02 through 2017-05-03; derived from co-tenure at mine 4003376; source `msha-controller-operator-history`.
- **James C  Justice lll et al → Premium Coal Company, Inc.:** 2017-05-04 through 2018-01-19; derived from co-tenure at mine 4003376; source `msha-controller-operator-history`.
- **Jillean L  Justice et al → Premium Coal Company, Inc.:** 2017-05-04 through 2018-01-19; derived from co-tenure at mine 4003376; source `msha-controller-operator-history`.
- **Daniel W  Bunn → MEGA HIGHWALL MINING LLC:** 2018-01-20 through current/open; derived from co-tenure at mine 4003376; source `msha-controller-operator-history`.
- **James C  Justice III → Premium Coal Company, Inc.:** 2022-08-24 through 2018-01-19; derived from co-tenure at mine 4003376; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 13
- Interval anomalies: 2
- 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 — 7 since 2021:** Accidents and injuries 10 historical accident/injury rows; 0 coded fatalities and 414 lost days across the published record.
2. **COMPLIANCE — 7 since 2021:** Violations and penalties 54 violation rows across the full record; 21 carry an S&S flag and $10,514 appears in current assessed amounts.
3. **HEALTH — 193 samples:** Occupational health samples 115 coal dust; 9 coal quartz; 69 noise. 0 personal-sample rows have a published C/E ratio above 1; 11 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 — 359K tons:** Quarterly production and employment 12K employee hours and 14 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 18 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 0 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 — 15 since 2021:** Inspections 43 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 1,485,020 short tons
- **Labor hours:** 56,069
- **Average employees:** 22
- **Coal supply region:** Uinta Region
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.904 — Identification of circuit breakers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.904
- **30 CFR 71.206 — Quarterly sampling; designated work positions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.206
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2010-06-02 through 2024-10-29; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-06-26 through 2026-06-26; source ID `msha-addresses`
- **Assessed Violations:** 54 rows; 2010-04-07 through 2026-06-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2011-06-22 through 2012-10-31; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 115 rows; 2010-04-07 through 2026-06-23; source ID `msha-coal-dust-samples`
- **Contested Violations:** 9 rows; 2010-04-07 through 2011-06-08; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 57 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 15 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 2010-04-02 through 2018-01-20; source ID `msha-controller-operator-history`
- **Inspections:** 43 rows; 2010-04-06 through 2026-06-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 93 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 15 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 69 rows; 2010-04-07 through 2025-10-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 9 rows; 2010-04-07 through 2026-06-23; source ID `msha-quartz-samples`
- **Violations:** 54 rows; 2010-04-07 through 2026-06-01; 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/addcar-system-16-4003376`
- JSON: `/api/v1/mines/addcar-system-16-4003376`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4003376/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4003376/relationships`
- MCP resource: `mine://4003376/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`