# Slones Branch

- **MSHA mine ID:** 1519323
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Knott, KY
- **Operator:** KNOTT COUNTY COAL LLC
- **Controller:** American Resources Corporation
- **Public source rows linked:** 2,096
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**American Resources Corporation (0150901) → KNOTT COUNTY COAL LLC (0054616) → Slones Branch (1519323)**

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

## Controller and operator valid-time history

- **International Coal Group Inc (ICG) → KNOTT COUNTY COAL LLC:** 2008-10-02 through 2011-06-14; derived from co-tenure at mine 1519323; source `msha-controller-operator-history`.
- **Arch Resources Inc → KNOTT COUNTY COAL LLC:** 2011-06-15 through 2016-04-11; derived from co-tenure at mine 1519323; source `msha-controller-operator-history`.
- **Quest Energy Corporation → KNOTT COUNTY COAL LLC:** 2016-04-12 through 2017-01-04; derived from co-tenure at mine 1519323; source `msha-controller-operator-history`.
- **American Resources Corporation → KNOTT COUNTY COAL LLC:** 2017-01-05 through current/open; derived from co-tenure at mine 1519323; 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 18 historical accident/injury rows; 0 coded fatalities and 747 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 378 violation rows across the full record; 64 carry an S&S flag and $71,757 appears in current assessed amounts.
3. **HEALTH — 564 samples:** Occupational health samples 483 coal dust; 34 coal quartz; 47 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 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 — 18 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 6 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 68 inspection events and 4K 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 72.520 — Diesel equipment inventory.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-D/section-72.520
- **30 CFR 75.1107-13 — Approval of other fire suppression devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-13
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **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 77.1605 — 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 75.1714-8 — Reporting SCSR inventory and malfunctions; retention of SCSRs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-8
- **30 CFR 77.402 — Hand-held power tools; safety devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.402
- **30 CFR 75.1103-4 — Automatic fire sensor and warning device systems; installation; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103-4
- **30 CFR 75.403 — Maintenance of incombustible content of rock dust.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731
- **30 CFR 75.1101-8 — Water sprinkler systems; arrangement of sprinklers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101-8
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503

## Source coverage

- **Accident, Injuries, and Illnesses:** 18 rows; 2009-05-04 through 2013-09-04; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2014-08-13 through 2014-08-13; source ID `msha-addresses`
- **Assessed Violations:** 371 rows; 2008-12-08 through 2013-04-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2013-01-16 through 2013-05-02; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 483 rows; 2009-03-23 through 2012-06-20; source ID `msha-coal-dust-samples`
- **Conferences:** 6 rows; 2009-05-05 through 2010-02-18; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2012-01-11 through 2012-08-20; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 490 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 135 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2008-10-02 through 2008-10-02; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2008-10-27 through 2014-08-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 38 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 47 rows; 2009-05-20 through 2012-06-20; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 34 rows; 2009-05-14 through 2012-05-07; source ID `msha-quartz-samples`
- **Violations:** 378 rows; 2008-12-08 through 2013-04-08; 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/slones-branch-1519323`
- JSON: `/api/v1/mines/slones-branch-1519323`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519323/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519323/relationships`
- MCP resource: `mine://1519323/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`