# Spurlock #4 Surface Mine

- **MSHA mine ID:** 1519588
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Floyd, KY
- **Operator:** Spurlock Mining LLC
- **Controller:** Blackhawk Mining LLC
- **Public source rows linked:** 888
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Blackhawk Mining LLC (0109461) → Spurlock Mining LLC (0139413) → Spurlock #4 Surface Mine (1519588)**

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

## Controller and operator valid-time history

- **John M  Potter et al → Blackhawk Mining LLC:** 2011-05-09 through 2013-06-30; derived from co-tenure at mine 1519588; source `msha-controller-operator-history`.
- **Thomas A  Potter et al → Blackhawk Mining LLC:** 2011-05-09 through 2013-06-30; derived from co-tenure at mine 1519588; source `msha-controller-operator-history`.
- **Blackhawk Mining LLC → Blackhawk Mining LLC:** 2013-07-01 through 2015-06-30; derived from co-tenure at mine 1519588; source `msha-controller-operator-history`.
- **Blackhawk Mining LLC → Spurlock Mining LLC:** 2015-07-01 through current/open; derived from co-tenure at mine 1519588; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- 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 8 historical accident/injury rows; 0 coded fatalities and 195 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 72 violation rows across the full record; 13 carry an S&S flag and $11,155 appears in current assessed amounts.
3. **HEALTH — 179 samples:** Occupational health samples 120 coal dust; 9 coal quartz; 50 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 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 15 contested-violation rows, 15 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 31 inspection events and 1K 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 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2
- **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 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **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 77.1110 — Examination and maintenance of firefighting equipment.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2011-10-07 through 2017-08-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2018-07-24 through 2018-07-24; source ID `msha-addresses`
- **Assessed Violations:** 68 rows; 2011-09-07 through 2017-05-15; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 15 rows; 2013-02-26 through 2015-02-18; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 120 rows; 2011-09-17 through 2017-06-15; source ID `msha-coal-dust-samples`
- **Contested Violations:** 15 rows; 2012-01-04 through 2014-07-08; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 383 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 74 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2011-05-09 through 2015-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 31 rows; 2011-08-12 through 2018-02-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 29 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 50 rows; 2011-09-17 through 2017-05-22; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 9 rows; 2015-09-23 through 2017-04-20; source ID `msha-quartz-samples`
- **Violations:** 72 rows; 2011-09-07 through 2017-08-02; 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/spurlock-4-surface-mine-1519588`
- JSON: `/api/v1/mines/spurlock-4-surface-mine-1519588`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519588/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519588/relationships`
- MCP resource: `mine://1519588/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`