# Montgomery Creek

- **MSHA mine ID:** 1518410
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Perry, KY
- **Operator:** Sapphire Mining Inc
- **Controller:** Michael K  Cook; Randy A  Cook
- **Public source rows linked:** 553
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Michael K  Cook; Randy A  Cook (C04802) → Sapphire Mining Inc (P24503) → Montgomery Creek (1518410)**

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

## Controller and operator valid-time history

- **Randy A  Cook et al → Sapphire Mining Inc:** 2001-07-01 through current/open; derived from co-tenure at mine 1518410; source `msha-controller-operator-history`.
- **Michael K  Cook et al → Sapphire Mining Inc:** 2001-07-01 through current/open; derived from co-tenure at mine 1518410; 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 247 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 63 violation rows across the full record; 33 carry an S&S flag and $7,622 appears in current assessed amounts.
3. **HEALTH — 56 samples:** Occupational health samples 34 coal dust; 4 coal quartz; 18 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 — 1K tons:** Quarterly production and employment 220 employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 30 inspection events and 452 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 77.1605 — Loading and haulage equipment; installations.** (6 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2002-03-26 through 2002-03-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-01-27 through 2004-01-27; source ID `msha-addresses`
- **Assessed Violations:** 59 rows; 2001-10-10 through 2003-11-18; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 34 rows; 2001-09-25 through 2003-07-07; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 274 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 55 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2001-07-01 through 2001-07-01; source ID `msha-controller-operator-history`
- **Inspections:** 30 rows; 2001-09-13 through 2004-01-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 6 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 18 rows; 2001-09-25 through 2003-05-13; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 4 rows; 2001-09-25 through 2002-05-15; source ID `msha-quartz-samples`
- **Violations:** 63 rows; 2001-10-10 through 2003-11-18; 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/montgomery-creek-1518410`
- JSON: `/api/v1/mines/montgomery-creek-1518410`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518410/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518410/relationships`
- MCP resource: `mine://1518410/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`