# Switchback Loadout

- **MSHA mine ID:** 4609441
- **Status:** Active
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Mcdowell, WV
- **Operator:** Onyx Energy, LLC
- **Controller:** Mohegan Energy Trustees LLC
- **Public source rows linked:** 600
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Mohegan Energy Trustees LLC (0141301) → Onyx Energy, LLC (0098205) → Switchback Loadout (4609441)**

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

## Controller and operator valid-time history

- **Richard G  Preservati II → Onyx Energy, LLC:** 2012-05-10 through 2013-08-29; derived from co-tenure at mine 4609441; source `msha-controller-operator-history`.
- **Richard G  Preservati II → Star Services, LLC:** 2013-08-30 through 2018-05-15; derived from co-tenure at mine 4609441; source `msha-controller-operator-history`.
- **Mohegan Energy Trustees LLC → Onyx Energy, LLC:** 2018-05-16 through 2013-08-29; derived from co-tenure at mine 4609441; source `msha-controller-operator-history`.
- **Mohegan Energy Trustees LLC → Star Services, LLC:** 2018-05-16 through 2022-12-05; derived from co-tenure at mine 4609441; source `msha-controller-operator-history`.
- **Mohegan Energy Trustees LLC → Onyx Energy, LLC:** 2022-12-06 through current/open; derived from co-tenure at mine 4609441; source `msha-controller-operator-history`.
- **Richard G  Preservati II → Onyx Energy, LLC:** 2022-12-06 through 2018-05-15; derived from co-tenure at mine 4609441; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 12
- 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 — 1 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 42 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 65 violation rows across the full record; 14 carry an S&S flag and $12,617 appears in current assessed amounts.
3. **HEALTH — 119 samples:** Occupational health samples 72 coal dust; 47 noise. 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 2K employee hours and 6 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 — 2 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 — 11 since 2021:** Inspections 38 inspection events and 788 published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 0 short tons
- **Labor hours:** 9,662
- **Average employees:** 4
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 2

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.400 — Mechanical equipment guards.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 77.809 — Identification of circuit breakers and disconnecting switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-I/section-77.809
- **30 CFR 77.204 — Openings in surface installations; safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204
- **30 CFR 47.51 — Requirement for an MSDS.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-F/section-47.51
- **30 CFR 71.403 — Waiver of surface facilities requirements; posting of waiver.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.403

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2013-05-02 through 2026-02-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-08-19 through 2013-08-19; source ID `msha-addresses`
- **Assessed Violations:** 64 rows; 2012-10-23 through 2026-06-16; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 72 rows; 2013-08-19 through 2026-06-16; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 164 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 31 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 2012-05-10 through 2022-12-06; source ID `msha-controller-operator-history`
- **Inspections:** 38 rows; 2012-07-17 through 2026-06-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 91 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:** 47 rows; 2013-08-19 through 2025-11-17; source ID `msha-noise-samples`
- **Violations:** 65 rows; 2012-10-23 through 2026-06-16; 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/switchback-loadout-4609441`
- JSON: `/api/v1/mines/switchback-loadout-4609441`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609441/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609441/relationships`
- MCP resource: `mine://4609441/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`