# Spring Branch No 1

- **MSHA mine ID:** 1518238
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Cook & Sons Mining Inc
- **Controller:** Michael K  Cook; Randy A  Cook
- **Public source rows linked:** 527
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Michael K  Cook; Randy A  Cook (C04802) → Cook & Sons Mining Inc (P24465) → Spring Branch No 1 (1518238)**

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

## Controller and operator valid-time history

- **Allen G  Stump et al → Gentec Processing Inc:** 2000-02-01 through 2001-02-04; derived from co-tenure at mine 1518238; source `msha-controller-operator-history`.
- **Michael K  Cook et al → Cook & Sons Mining Inc:** 2001-02-05 through current/open; derived from co-tenure at mine 1518238; source `msha-controller-operator-history`.
- **Randy A  Cook et al → Cook & Sons Mining Inc:** 2001-02-05 through current/open; derived from co-tenure at mine 1518238; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 18 historical accident/injury rows; 0 coded fatalities and 262 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 141 violation rows across the full record; 80 carry an S&S flag and $18,486 appears in current assessed amounts.
3. **HEALTH — 142 samples:** Occupational health samples 133 coal dust; 9 coal quartz. 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 — 6K tons:** Quarterly production and employment 4K employee hours and 22 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 21 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 6 civil-penalty docket/decision rows, and 15 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 — 0 since 2021:** Inspections 42 inspection events and 1K 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 75.1200 — Mine map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1200
- **30 CFR 75.211 — Roof testing and scaling.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.211
- **30 CFR 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.388 — Boreholes in advance of mining.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.388
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **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 75.606 — Protection of trailing cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.606
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **30 CFR 75.1100-2 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-2
- **30 CFR 77.701 — Grounding metallic frames, casings, and other enclosures of electric equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.701
- **30 CFR 75.312 — Main mine fan examinations and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.312
- **30 CFR 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220

## Source coverage

- **Accident, Injuries, and Illnesses:** 18 rows; 2000-05-25 through 2001-12-07; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2002-02-28 through 2002-02-28; source ID `msha-addresses`
- **Assessed Violations:** 136 rows; 2000-03-02 through 2002-01-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2001-09-19 through 2002-04-10; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 133 rows; 2000-04-17 through 2002-01-25; source ID `msha-coal-dust-samples`
- **Conferences:** 15 rows; 2000-06-30 through 2001-01-11; source ID `msha-conferences`
- **Controller and Operator History:** 3 rows; 2000-02-01 through 2001-02-05; source ID `msha-controller-operator-history`
- **Inspections:** 42 rows; 2000-03-02 through 2002-05-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 15 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 7 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Quartz Samples — Coal:** 9 rows; 2000-05-24 through 2002-01-15; source ID `msha-quartz-samples`
- **Violations:** 141 rows; 2000-03-02 through 2002-01-18; 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/spring-branch-no-1-1518238`
- JSON: `/api/v1/mines/spring-branch-no-1-1518238`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518238/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518238/relationships`
- MCP resource: `mine://1518238/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`