# ADDCAR System 40 HWM Serial No. 23040

- **MSHA mine ID:** 1202445
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Sullivan, IN
- **Operator:** Mega Highwall Mining LLC
- **Controller:** Daniel W  Bunn
- **Public source rows linked:** 487
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-18T09:31:49.615Z

## Current entity hierarchy

**Daniel W  Bunn (0101029) → Mega Highwall Mining LLC (0149874) → ADDCAR System 40 HWM Serial No. 23040 (1202445)**

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

## Controller and operator valid-time history

- **International Coal Group Inc (ICG) → ADDCAR Systems, LLC:** 2011-04-21 through 2011-06-14; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **Arch Resources Inc → ADDCAR Systems, LLC:** 2011-06-15 through 2014-02-11; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **ADDCAR Holdings Pty.Ltd. → ADDCAR Systems, LLC:** 2014-02-12 through 2020-08-13; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **Big Bridge Big Dog PTY LTD → ADDCAR Systems, LLC:** 2020-08-14 through 2022-07-21; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **John  McNab et al → Eagle Highwall Mining Systems, LLC:** 2022-07-22 through 2022-06-05; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **Petri E Koivula et al → Eagle Highwall Mining Systems, LLC:** 2022-07-22 through 2022-06-05; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **Mike  Jamison et al → Eagle Highwall Mining Systems, LLC:** 2022-07-22 through 2022-06-05; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **David Michael  Jamison et al → Eagle Highwall Mining Systems, LLC:** 2022-07-22 through 2023-02-19; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **Petri E Koivula et al → Eagle Highwall Mining Systems, LLC:** 2022-07-22 through 2023-02-19; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.
- **Daniel W  Bunn → Mega Highwall Mining LLC:** 2023-02-20 through current/open; derived from co-tenure at mine 1202445; source `msha-controller-operator-history`.

- History rows: 10
- Typed edges: 20
- 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: 2026-10-18T09:31:49.615908+00:00.

## Assessment signals

1. **SAFETY — 2 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 6 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 20 violation rows across the full record; 5 carry an S&S flag and $9,094 appears in current assessed amounts.
3. **HEALTH — 205 samples:** Occupational health samples 123 coal dust; 82 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 — 0 tons:** Quarterly production and employment 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 3 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 — 20 since 2021:** Inspections 56 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 479,996 short tons
- **Labor hours:** 44,973
- **Average employees:** 17
- **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 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 71.206 — Quarterly sampling; designated work positions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.206
- **30 CFR 62.120 — Action level.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **30 CFR 77.210 — Hoisting of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.210
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **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 77.1710 — 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:** 7 rows; 2013-04-23 through 2025-08-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-08-03 through 2026-08-03; source ID `msha-addresses`
- **Assessed Violations:** 18 rows; 2013-08-26 through 2025-08-27; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2017-10-06 through 2017-10-06; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 123 rows; 2011-09-07 through 2026-08-04; source ID `msha-coal-dust-samples`
- **Conferences:** 3 rows; 2017-05-01 through 2017-05-01; source ID `msha-conferences`
- **Contested Violations:** 1 rows; 2017-01-10 through 2017-01-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 26 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 3 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 10 rows; 2011-04-21 through 2023-02-20; source ID `msha-controller-operator-history`
- **Inspections:** 56 rows; 2011-08-08 through 2026-08-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 117 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 18 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 82 rows; 2011-09-07 through 2026-08-04; source ID `msha-noise-samples`
- **Violations:** 20 rows; 2013-08-26 through 2025-08-27; 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-40-hwm-serial-no-23040-1202445`
- JSON: `/api/v1/mines/addcar-system-40-hwm-serial-no-23040-1202445`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1202445/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1202445/relationships`
- MCP resource: `mine://1202445/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
