# Lockwood Dock

- **MSHA mine ID:** 1510358
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Boyd, KY
- **Operator:** SNR RIVER OPS LLC
- **Controller:** David J Stone
- **Public source rows linked:** 1,510
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**David J Stone (0136321) → SNR RIVER OPS LLC (0154993) → Lockwood Dock (1510358)**

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

## Controller and operator valid-time history

- **Ashland Inc et al → Arch Coal Terminal Inc:** 1977-03-01 through 1997-07-09; derived from co-tenure at mine 1510358; source `msha-controller-operator-history`.
- **Arch Resources Inc → Arch Coal Terminal Inc:** 1997-07-10 through 2014-12-22; derived from co-tenure at mine 1510358; source `msha-controller-operator-history`.
- **Dennis  Johnson → Sabbatical Inc.:** 2014-12-23 through 2018-01-07; derived from co-tenure at mine 1510358; source `msha-controller-operator-history`.
- **David J Stone → SNR RIVER OPS LLC:** 2018-01-08 through current/open; derived from co-tenure at mine 1510358; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 9 historical accident/injury rows; 0 coded fatalities and 639 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 149 violation rows across the full record; 56 carry an S&S flag and $18,945 appears in current assessed amounts.
3. **HEALTH — 414 samples:** Occupational health samples 281 coal dust; 13 coal quartz; 120 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 6K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 16 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 3 civil-penalty docket/decision rows, and 13 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 — 7 since 2021:** Inspections 85 inspection events and 3K 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 77.516 — Electric wiring and equipment; installation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.516
- **30 CFR 77.400 — Mechanical equipment guards.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.205 — Travelways at surface installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.507 — Electric equipment; switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.507
- **30 CFR 77.509 — Transformers; installation and guarding.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.509
- **30 CFR 77.512 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **30 CFR 77.202 — Dust accumulations in surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.202
- **30 CFR 77.204 — Openings in surface installations; safeguards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204

## Source coverage

- **Accident, Injuries, and Illnesses:** 9 rows; 2000-09-14 through 2014-08-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-06-10 through 2024-06-10; source ID `msha-addresses`
- **Assessed Violations:** 149 rows; 2000-02-21 through 2019-09-10; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2001-12-18 through 2001-12-18; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 281 rows; 2000-07-06 through 2020-04-08; source ID `msha-coal-dust-samples`
- **Conferences:** 13 rows; 2001-03-16 through 2019-11-07; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 405 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 86 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1977-03-01 through 2018-01-08; source ID `msha-controller-operator-history`
- **Inspections:** 85 rows; 2000-06-28 through 2023-12-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 151 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 120 rows; 2001-07-30 through 2020-04-08; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 13 rows; 2001-02-26 through 2018-06-13; source ID `msha-quartz-samples`
- **Violations:** 149 rows; 2000-02-21 through 2019-09-10; 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/lockwood-dock-1510358`
- JSON: `/api/v1/mines/lockwood-dock-1510358`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1510358/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1510358/relationships`
- MCP resource: `mine://1510358/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`