# Highwall Miner No.1

- **MSHA mine ID:** 4609219
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Logan, WV
- **Operator:** Ramaco Resources, LLC
- **Controller:** Ramaco Resources Inc
- **Public source rows linked:** 895
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Ramaco Resources Inc (0137341) → Ramaco Resources, LLC (0122932) → Highwall Miner No.1 (4609219)**

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

## Controller and operator valid-time history

- **Gregory  Jessee et al → Twin State Mining, Inc.:** 2007-07-14 through 2008-12-04; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **ArcelorMittal → Twin State Mining, Inc.:** 2008-12-05 through 2015-12-06; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **ArcelorMittal → Extra Energy, Inc.:** 2015-12-07 through 2017-07-24; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **Steven W  Haynes et al → Extra Energy, Inc.:** 2015-12-07 through 2008-09-15; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **Michael D Bauersachs → Ramaco Resources, LLC:** 2017-07-25 through 2016-12-31; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **Ramaco Resources Inc → Ramaco Resources, LLC:** 2017-07-25 through current/open; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **Cleveland-Cliffs Inc → Twin State Mining, Inc.:** 2020-12-09 through 2015-12-06; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.
- **Cleveland-Cliffs Inc → Extra Energy, Inc.:** 2020-12-09 through 2017-07-24; derived from co-tenure at mine 4609219; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 18
- Interval anomalies: 4
- 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 — 3 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 8 lost days across the published record.
2. **COMPLIANCE — 52 since 2021:** Violations and penalties 129 violation rows across the full record; 29 carry an S&S flag and $40,044 appears in current assessed amounts.
3. **HEALTH — 254 samples:** Occupational health samples 155 coal dust; 99 noise. 0 personal-sample rows have a published C/E ratio above 1; 5 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 — 54K tons:** Quarterly production and employment 10K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 23 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 5 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 — 19 since 2021:** Inspections 54 inspection events and 2K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 212,636 short tons
- **Labor hours:** 36,367
- **Average employees:** 14
- **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 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 45.4 — Independent contractor register.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-45/section-45.4
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — 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.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2008-07-30 through 2025-11-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-03-03 through 2025-03-03; source ID `msha-addresses`
- **Assessed Violations:** 125 rows; 2008-03-26 through 2026-03-10; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2011-01-20 through 2025-03-05; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 155 rows; 2008-03-28 through 2026-09-21; source ID `msha-coal-dust-samples`
- **Conferences:** 5 rows; 2019-03-25 through 2024-08-13; source ID `msha-conferences`
- **Contested Violations:** 9 rows; 2008-04-10 through 2024-05-31; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 141 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 32 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 2007-07-14 through 2017-07-25; source ID `msha-controller-operator-history`
- **Inspections:** 54 rows; 2007-08-07 through 2026-08-19; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 102 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 20 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 99 rows; 2009-01-06 through 2026-09-21; source ID `msha-noise-samples`
- **Violations:** 129 rows; 2008-03-26 through 2026-09-10; 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/highwall-miner-no-1-4609219`
- JSON: `/api/v1/mines/highwall-miner-no-1-4609219`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4609219/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4609219/relationships`
- MCP resource: `mine://4609219/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`