# Limestone Mine

- **MSHA mine ID:** 1516716
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Harlan, KY
- **Operator:** Powell Mountain Coal Co., Inc.
- **Controller:** Progress Energy Inc
- **Public source rows linked:** 715
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Progress Energy Inc (C16016) → Powell Mountain Coal Co., Inc. (P24575) → Limestone Mine (1516716)**

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

## Controller and operator valid-time history

- **Jerry W  Maggard → Shirl Coal Inc:** 1989-09-01 through 1991-11-19; derived from co-tenure at mine 1516716; source `msha-controller-operator-history`.
- **Amvest Corporation → Kentucky Darby Coal Company:** 1991-11-20 through 1993-12-07; derived from co-tenure at mine 1516716; source `msha-controller-operator-history`.
- **Roger  Coleman → Magic Mining Inc:** 1993-12-08 through 2003-06-11; derived from co-tenure at mine 1516716; source `msha-controller-operator-history`.
- **Progress Energy Inc → Powell Mountain Coal Co., Inc.:** 2003-06-12 through current/open; derived from co-tenure at mine 1516716; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- 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 14 historical accident/injury rows; 0 coded fatalities and 275 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 120 violation rows across the full record; 24 carry an S&S flag and $9,241 appears in current assessed amounts.
3. **HEALTH — 296 samples:** Occupational health samples 263 coal dust; 11 coal quartz; 22 noise. 0 personal-sample rows have a published C/E ratio above 1; 3 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 — 32K tons:** Quarterly production and employment 9K employee hours and 42 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 6 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 6 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 23 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 77.1110 — 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 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 75.1702 — Smoking; prohibition.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702
- **30 CFR 75.1403-6 — Criteria—Self-propelled personnel carriers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-O/section-75.1403-6
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.605 — Clamping of trailing cables to equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.605
- **30 CFR 75.517 — Power wires and cables; insulation and protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.517

## Source coverage

- **Accident, Injuries, and Illnesses:** 14 rows; 2003-09-12 through 2006-05-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-09-06 through 2006-09-06; source ID `msha-addresses`
- **Assessed Violations:** 113 rows; 2003-11-19 through 2006-07-25; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 263 rows; 2003-10-27 through 2007-04-06; source ID `msha-coal-dust-samples`
- **Conferences:** 6 rows; 2003-10-22 through 2005-09-27; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 86 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1989-09-01 through 2003-06-12; source ID `msha-controller-operator-history`
- **Inspections:** 23 rows; 2003-07-31 through 2006-07-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 28 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:** 22 rows; 2004-11-10 through 2006-07-06; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 11 rows; 2004-04-21 through 2006-05-04; source ID `msha-quartz-samples`
- **Violations:** 120 rows; 2003-08-26 through 2006-07-25; 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/limestone-mine-1516716`
- JSON: `/api/v1/mines/limestone-mine-1516716`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1516716/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1516716/relationships`
- MCP resource: `mine://1516716/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`