# Turner Surface Mine

- **MSHA mine ID:** 4003097
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Cumberland, TN
- **Operator:** Crossville Coal Inc
- **Controller:** Hillsborough Resources LTD
- **Public source rows linked:** 1,518
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Hillsborough Resources LTD (0050789) → Crossville Coal Inc (0060903) → Turner Surface Mine (4003097)**

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

## Controller and operator valid-time history

- **H E  Hearn  et al → Cumberland Coal Company LLC:** 1996-05-01 through 2005-08-09; derived from co-tenure at mine 4003097; source `msha-controller-operator-history`.
- **Hillsborough Resources LTD → Crossville Coal Inc:** 2005-08-10 through current/open; derived from co-tenure at mine 4003097; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 — 0 since 2021:** Accidents and injuries 13 historical accident/injury rows; 0 coded fatalities and 274 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 158 violation rows across the full record; 27 carry an S&S flag and $11,901 appears in current assessed amounts.
3. **HEALTH — 351 samples:** Occupational health samples 224 coal dust; 20 coal quartz; 107 noise. 0 personal-sample rows have a published C/E ratio above 1; 7 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 825 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 2 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 — 0 since 2021:** Inspections 96 inspection events and 3K 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 77.506 — Electric equipment and circuits; overload and short-circuit protection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.506
- **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 77.904 — 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 77.504 — Electrical connections or splices; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.504
- **30 CFR 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 71.402 — Minimum requirements for bathing facilities, change rooms, and sanitary flush toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.402
- **30 CFR 77.505 — Cable fittings; suitability.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.505
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2000-04-29 through 2012-04-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2018-12-12 through 2018-12-12; source ID `msha-addresses`
- **Assessed Violations:** 158 rows; 2000-01-26 through 2015-12-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2003-12-16 through 2003-12-16; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 224 rows; 2000-01-04 through 2018-10-03; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 416 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 100 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1996-05-01 through 2005-08-10; source ID `msha-controller-operator-history`
- **Inspections:** 96 rows; 2000-01-06 through 2018-10-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 187 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 33 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 107 rows; 2000-06-26 through 2018-10-03; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 20 rows; 2000-06-26 through 2017-05-24; source ID `msha-quartz-samples`
- **Violations:** 158 rows; 2000-01-26 through 2015-12-02; 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/turner-surface-mine-4003097`
- JSON: `/api/v1/mines/turner-surface-mine-4003097`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4003097/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4003097/relationships`
- MCP resource: `mine://4003097/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`