# Frostburg Blend Yard

- **MSHA mine ID:** 1800709
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Allegany, MD
- **Operator:** Vindex Energy LLC
- **Controller:** Arch Resources Inc
- **Public source rows linked:** 1,208
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Arch Resources Inc (C15561) → Vindex Energy LLC (P23706) → Frostburg Blend Yard (1800709)**

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

## Controller and operator valid-time history

- **Fay E  Leydig → Black Diamond Energies:** 1984-10-01 through 1990-10-11; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.
- **Anker Group Inc → Patriot Mining Company Inc:** 1990-10-12 through 2005-11-17; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → Patriot Mining Company Inc:** 2005-11-18 through 2007-07-16; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → Vindex Energy LLC:** 2007-07-17 through 2011-06-14; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.
- **Anker Group Inc → Vindex Energy LLC:** 2007-07-17 through 2005-11-17; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.
- **Arch Resources Inc → Patriot Mining Company Inc:** 2011-06-15 through 2007-07-16; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.
- **Arch Resources Inc → Vindex Energy LLC:** 2011-06-15 through current/open; derived from co-tenure at mine 1800709; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 15
- Interval anomalies: 2
- 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 — 0 since 2021:** Accidents and injuries 1 historical accident/injury rows; 0 coded fatalities and 71 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 12 violation rows across the full record; 3 carry an S&S flag and $3,517 appears in current assessed amounts.
3. **HEALTH — 29 samples:** Occupational health samples 16 coal dust; 13 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 13 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 16 inspection events and 346 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 77.1104 — Accumulations of combustible materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 77.810 — High-voltage equipment; grounding.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-I/section-77.810
- **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.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **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 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2011-02-01 through 2011-02-01; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-03-20 through 2013-03-20; source ID `msha-addresses`
- **Assessed Violations:** 12 rows; 2007-10-12 through 2011-04-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2011-08-25 through 2013-10-30; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 16 rows; 2008-03-10 through 2012-10-11; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2011-11-08 through 2011-11-08; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2010-10-19 through 2012-10-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 904 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 205 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1984-10-01 through 2007-07-17; source ID `msha-controller-operator-history`
- **Inspections:** 16 rows; 2007-10-12 through 2013-03-20; source ID `msha-inspections`
- **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:** 13 rows; 2007-10-19 through 2012-10-11; source ID `msha-noise-samples`
- **Violations:** 12 rows; 2007-10-12 through 2011-04-08; 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/frostburg-blend-yard-1800709`
- JSON: `/api/v1/mines/frostburg-blend-yard-1800709`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1800709/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1800709/relationships`
- MCP resource: `mine://1800709/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`