# Sturgeon #3

- **MSHA mine ID:** 1516041
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Owsley, KY
- **Operator:** Sturgeon Mining Co., Inc.
- **Controller:** Robert L  Rosencrans
- **Public source rows linked:** 333
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Robert L  Rosencrans (C01822) → Sturgeon Mining Co., Inc. (P13396) → Sturgeon #3 (1516041)**

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.:** 1987-05-01 through current/open; derived from co-tenure at mine 1516041; 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 153 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 94 violation rows across the full record; 38 carry an S&S flag and $8,549 appears in current assessed amounts.
3. **HEALTH — 70 samples:** Occupational health samples 43 coal dust; 1 coal quartz; 26 noise. 0 personal-sample rows have a published C/E ratio above 1; 8 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 — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 0 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 — 0 since 2021:** Inspections 37 inspection events and 582 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 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1301 — Explosives; magazines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-N/section-77.1301
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **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 77.1607 — 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 77.1108-1 — Type and capacity of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1108-1
- **30 CFR 77.701-1 — Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.701-1
- **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; 2003-10-31 through 2005-06-30; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2007-07-30 through 2007-07-30; source ID `msha-addresses`
- **Assessed Violations:** 85 rows; 2001-03-12 through 2006-09-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2005-06-14 through 2005-06-14; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 43 rows; 2001-03-17 through 2006-09-25; source ID `msha-coal-dust-samples`
- **Contested Violations:** 2 rows; 2004-01-20 through 2004-01-20; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 5 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Controller and Operator History:** 1 rows; 1987-05-01 through 1987-05-01; source ID `msha-controller-operator-history`
- **Inspections:** 37 rows; 2001-03-12 through 2007-04-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 26 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 26 rows; 2001-09-06 through 2006-09-25; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 1 rows; 2004-03-23 through 2004-03-23; source ID `msha-quartz-samples`
- **Violations:** 94 rows; 2001-03-12 through 2006-09-20; 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-3-1516041`
- JSON: `/api/v1/mines/sturgeon-3-1516041`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1516041/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1516041/relationships`
- MCP resource: `mine://1516041/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`