# Buchanan Mine #1

- **MSHA mine ID:** 4404856
- **Status:** Active
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Buchanan, VA
- **Operator:** Buchanan Minerals, LLC
- **Controller:** Coronado Coal LLC
- **Public source rows linked:** 90,634
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Coronado Coal LLC (0109921) → Buchanan Minerals, LLC (0144433) → Buchanan Mine #1 (4404856)**

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

## Controller and operator valid-time history

- **CONSOL Energy Inc → Consolidation Coal Company:** 1977-09-01 through 2013-12-04; derived from co-tenure at mine 4404856; source `msha-controller-operator-history`.
- **Robert E  Murray → Consolidation Coal Company:** 2013-12-05 through 2013-12-05; derived from co-tenure at mine 4404856; source `msha-controller-operator-history`.
- **CONSOL Energy Inc → CONSOL Buchanan Mining Company LLC:** 2013-12-06 through 2016-03-30; derived from co-tenure at mine 4404856; source `msha-controller-operator-history`.
- **Coronado Coal LLC → Buchanan Minerals, LLC:** 2016-03-31 through current/open; derived from co-tenure at mine 4404856; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 239 since 2021:** Accidents and injuries 724 historical accident/injury rows; 8 coded fatalities and 19,870 lost days across the published record.
2. **COMPLIANCE — 2,338 since 2021:** Violations and penalties 11,158 violation rows across the full record; 3,338 carry an S&S flag and $5,951,472 appears in current assessed amounts.
3. **HEALTH — 47K samples:** Occupational health samples 42,822 coal dust; 2,583 coal quartz; 1,702 noise. 0 personal-sample rows have a published C/E ratio above 1; 368 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 — 1.2M tons:** Quarterly production and employment 226K employee hours and 400 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 5,452 linked rows:** Contests, conferences and decisions 2,402 contested-violation rows, 2,419 civil-penalty docket/decision rows, and 631 conference records linked by issuance number.
6. **CONTRACTORS — 70 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 — 490 since 2021:** Inspections 2,842 inspection events and 183K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 3,874,816 short tons
- **Labor hours:** 1,604,174
- **Average employees:** 702
- **Coal supply region:** Appalachia Central
- **Union code:** Not published
- **Published rows under this MSHA ID:** 1

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **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
- **30 CFR 75.1710-1 — Canopies or cabs; self-propelled diesel-powered and electric face equipment; installation requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1710-1
- **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 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **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 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 75.313 — Main mine fan stoppage with persons underground.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.313
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **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 77.502 — Electric equipment; examination, testing, and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.1303 — Explosives, handling and use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-N/section-77.1303
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 724 rows; 2000-01-13 through 2026-09-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-11-05 through 2012-11-05; source ID `msha-addresses`
- **Assessed Violations:** 10,949 rows; 2000-01-07 through 2026-09-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2,419 rows; 2001-09-06 through 2026-06-09; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 42,822 rows; 2000-01-03 through 2026-10-15; source ID `msha-coal-dust-samples`
- **Conferences:** 631 rows; 2000-03-17 through 2026-07-16; source ID `msha-conferences`
- **Contested Violations:** 2,402 rows; 2005-12-19 through 2026-08-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 10,081 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 2,159 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1977-09-01 through 2016-03-31; source ID `msha-controller-operator-history`
- **Inspections:** 2,842 rows; 2000-01-04 through 2026-10-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 48 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 108 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 1,702 rows; 2000-03-27 through 2026-09-14; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 2,583 rows; 2000-01-12 through 2026-09-09; source ID `msha-quartz-samples`
- **Violations:** 11,158 rows; 2000-01-07 through 2026-10-15; 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/buchanan-mine-1-4404856`
- JSON: `/api/v1/mines/buchanan-mine-1-4404856`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4404856/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4404856/relationships`
- MCP resource: `mine://4404856/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`