# Rob Fork Contour

- **MSHA mine ID:** 1518977
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Pike, KY
- **Operator:** ARC Kentucky Resources, LLC
- **Controller:** Appalachian Resource Company LLC
- **Public source rows linked:** 1,037
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Appalachian Resource Company LLC (0157781) → ARC Kentucky Resources, LLC (0172853) → Rob Fork Contour (1518977)**

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

## Controller and operator valid-time history

- **Edsel H  Preece et al → Twin Energy L. L. C.:** 2006-03-17 through 2007-06-24; derived from co-tenure at mine 1518977; source `msha-controller-operator-history`.
- **Wexford Capital LLC → CAM Mining LLC:** 2007-06-25 through 2010-10-04; derived from co-tenure at mine 1518977; source `msha-controller-operator-history`.
- **Rhino Resource Partners LP → CAM Mining LLC:** 2010-10-05 through 2020-08-31; derived from co-tenure at mine 1518977; source `msha-controller-operator-history`.
- **Appalachian Resource Company LLC → ARC Kentucky Resources, LLC:** 2020-09-01 through current/open; derived from co-tenure at mine 1518977; 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 — 0 since 2021:** Accidents and injuries 10 historical accident/injury rows; 0 coded fatalities and 339 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 71 violation rows across the full record; 23 carry an S&S flag and $15,618 appears in current assessed amounts.
3. **HEALTH — 223 samples:** Occupational health samples 158 coal dust; 11 coal quartz; 54 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 10 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 9 since 2021:** Inspections 35 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

- **Reporting year:** 2024
- **Production:** 3,164 short tons
- **Labor hours:** 7,551
- **Average employees:** 3
- **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 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 72.620 — Drill dust control at surface mines and surface areas of underground mines.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-72/subpart-E/section-72.620
- **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
- **30 CFR 77.1104 — Accumulations of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1104
- **30 CFR 71.209 — Status change reports.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.209
- **30 CFR 77.1705 — First aid training program; retraining of supervisory employees; availability to all miners.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1705
- **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 77.1000 — Highwalls, pits and spoil banks; plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1000
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2007-05-31 through 2018-07-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-12-31 through 2024-12-31; source ID `msha-addresses`
- **Assessed Violations:** 71 rows; 2006-08-21 through 2024-10-22; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2008-08-11 through 2019-08-02; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 158 rows; 2006-08-02 through 2024-10-24; source ID `msha-coal-dust-samples`
- **Contested Violations:** 5 rows; 2007-05-16 through 2018-10-25; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 519 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 73 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2006-03-17 through 2020-09-01; source ID `msha-controller-operator-history`
- **Inspections:** 35 rows; 2006-03-23 through 2024-10-16; 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:** 54 rows; 2006-08-02 through 2024-10-24; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 11 rows; 2007-05-15 through 2024-10-24; source ID `msha-quartz-samples`
- **Violations:** 71 rows; 2006-08-21 through 2024-10-22; 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/rob-fork-contour-1518977`
- JSON: `/api/v1/mines/rob-fork-contour-1518977`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518977/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518977/relationships`
- MCP resource: `mine://1518977/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
