# Sturgeon #4

- **MSHA mine ID:** 1519179
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Owsley, KY
- **Operator:** Sturgeon Mining Co., Inc.
- **Controller:** Robert L  Rosencrans
- **Public source rows linked:** 699
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Robert L  Rosencrans (C01822) → Sturgeon Mining Co., Inc. (P13396) → Sturgeon #4 (1519179)**

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

## Controller and operator valid-time history

- **Robert L  Rosencrans et al → Sturgeon Mining Co., Inc.:** 2008-02-05 through current/open; derived from co-tenure at mine 1519179; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 2 historical accident/injury rows; 0 coded fatalities and 24 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 73 violation rows across the full record; 27 carry an S&S flag and $11,247 appears in current assessed amounts.
3. **HEALTH — 74 samples:** Occupational health samples 38 coal dust; 4 coal quartz; 32 noise. 0 personal-sample rows have a published C/E ratio above 1; 6 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 — 8K tons:** Quarterly production and employment 8K employee hours and 9 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 10 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 10 inspection events and 468 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 77.1000 — Highwalls, pits and spoil banks; plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1000
- **30 CFR 71.600 — Drinking water; general.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-G/section-71.600
- **30 CFR 77.1707 — First aid equipment; location; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1707
- **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 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **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
- **30 CFR 72.620 — Drill dust control at surface mines and surface areas of underground mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.620

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2008-09-26 through 2011-01-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-02-16 through 2012-02-16; source ID `msha-addresses`
- **Assessed Violations:** 73 rows; 2008-03-17 through 2011-11-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2010-10-25 through 2013-03-15; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 38 rows; 2008-03-25 through 2012-01-10; source ID `msha-coal-dust-samples`
- **Contested Violations:** 5 rows; 2008-10-27 through 2011-10-25; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 377 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 58 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2008-02-05 through 2008-02-05; source ID `msha-controller-operator-history`
- **Inspections:** 10 rows; 2008-03-17 through 2011-10-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 14 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 5 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 32 rows; 2008-03-25 through 2011-10-31; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 4 rows; 2011-03-21 through 2012-01-10; source ID `msha-quartz-samples`
- **Violations:** 73 rows; 2008-03-17 through 2011-11-14; 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/sturgeon-4-1519179`
- JSON: `/api/v1/mines/sturgeon-4-1519179`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519179/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519179/relationships`
- MCP resource: `mine://1519179/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`