# CHM 48

- **MSHA mine ID:** 1519819
- **Status:** Active
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Whitley, KY
- **Operator:** Contract Highwall Mining, LLC
- **Controller:** F D  Justice II; Greg  Henzman
- **Public source rows linked:** 303
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**F D  Justice II; Greg  Henzman (0042775) → Contract Highwall Mining, LLC (0051979) → CHM 48 (1519819)**

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

## Controller and operator valid-time history

- **F D  Justice II  et al → Contract Highwall Mining, LLC:** 2017-10-27 through current/open; derived from co-tenure at mine 1519819; source `msha-controller-operator-history`.
- **Greg  Henzman  et al → Contract Highwall Mining, LLC:** 2017-10-27 through current/open; derived from co-tenure at mine 1519819; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 4
- 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 1 historical accident/injury rows; 0 coded fatalities and 35 lost days across the published record.
2. **COMPLIANCE — 30 since 2021:** Violations and penalties 45 violation rows across the full record; 4 carry an S&S flag and $7,144 appears in current assessed amounts.
3. **HEALTH — 107 samples:** Occupational health samples 57 coal dust; 50 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 — 58K tons:** Quarterly production and employment 4K employee hours and 6 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 28 linked rows:** Contests, conferences and decisions 14 contested-violation rows, 14 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 25 since 2021:** Inspections 37 inspection events and 901 published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 154,016 short tons
- **Labor hours:** 18,342
- **Average employees:** 7
- **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 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 77.1104 — Accumulations of combustible materials.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **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 72.100 — Periodic examinations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-B/section-72.100
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2019-06-21 through 2019-06-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-09-05 through 2023-09-05; source ID `msha-addresses`
- **Assessed Violations:** 43 rows; 2019-05-07 through 2026-06-25; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 14 rows; 2020-01-06 through 2024-05-10; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 57 rows; 2019-05-07 through 2026-08-03; source ID `msha-coal-dust-samples`
- **Contested Violations:** 14 rows; 2019-05-07 through 2023-07-27; source ID `msha-contested-violations`
- **Controller and Operator History:** 2 rows; 2017-10-27 through 2017-10-27; source ID `msha-controller-operator-history`
- **Inspections:** 37 rows; 2018-07-05 through 2026-07-31; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 30 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 50 rows; 2019-05-07 through 2026-08-03; source ID `msha-noise-samples`
- **Violations:** 45 rows; 2019-05-07 through 2026-06-25; 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/chm-48-1519819`
- JSON: `/api/v1/mines/chm-48-1519819`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519819/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519819/relationships`
- MCP resource: `mine://1519819/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`