# CHM -102

- **MSHA mine ID:** 1518730
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Knox, KY
- **Operator:** Contract Highwall Mining LLC
- **Controller:** F D  Justice II; Greg  Henzman
- **Public source rows linked:** 621
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**F D  Justice II; Greg  Henzman (0042775) → Contract Highwall Mining LLC (0051979) → CHM -102 (1518730)**

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:** 2004-03-15 through current/open; derived from co-tenure at mine 1518730; source `msha-controller-operator-history`.
- **Greg  Henzman  et al → Contract Highwall Mining LLC:** 2004-03-15 through current/open; derived from co-tenure at mine 1518730; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 48 lost days across the published record.
2. **COMPLIANCE — 14 since 2021:** Violations and penalties 102 violation rows across the full record; 25 carry an S&S flag and $16,303 appears in current assessed amounts.
3. **HEALTH — 176 samples:** Occupational health samples 105 coal dust; 71 noise. 0 personal-sample rows have a published C/E ratio above 1; 17 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 — 31 linked rows:** Contests, conferences and decisions 15 contested-violation rows, 15 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 — 12 since 2021:** Inspections 75 inspection events and 2K 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.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 77.1606 — 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
- **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 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 77.1702 — Arrangements for emergency medical assistance and transportation for injured persons; reporting requirements; posting requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1702
- **30 CFR 48.29 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.29
- **30 CFR 48.26 — Experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.26
- **30 CFR 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **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 71.501 — Sanitary toilet facilities; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-F/section-71.501

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2007-06-12 through 2008-07-28; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-08-18 through 2023-08-18; source ID `msha-addresses`
- **Assessed Violations:** 97 rows; 2004-10-29 through 2023-03-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 15 rows; 2012-01-19 through 2023-09-26; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 105 rows; 2004-04-19 through 2022-11-04; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2014-06-19 through 2014-06-19; source ID `msha-conferences`
- **Contested Violations:** 15 rows; 2011-02-14 through 2023-01-31; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 109 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2004-03-15 through 2004-03-15; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2004-03-18 through 2023-07-03; source ID `msha-inspections`
- **Mine Employment and Production — Yearly:** 19 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 71 rows; 2004-04-14 through 2022-11-04; source ID `msha-noise-samples`
- **Violations:** 102 rows; 2004-10-29 through 2023-03-20; 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-102-1518730`
- JSON: `/api/v1/mines/chm-102-1518730`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518730/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518730/relationships`
- MCP resource: `mine://1518730/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`