# Lightning #1

- **MSHA mine ID:** 3608437
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Clearfield, PA
- **Operator:** Thunder Coal Company
- **Controller:** Alan R  Spencer
- **Public source rows linked:** 51
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Alan R  Spencer (C14962) → Thunder Coal Company (P22582) → Lightning #1 (3608437)**

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

## Controller and operator valid-time history

- **Alan R  Spencer → Thunder Coal Company:** 1993-11-01 through current/open; derived from co-tenure at mine 3608437; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 5 violation rows across the full record; 0 carry an S&S flag and $1,010 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 7 coal dust; 3 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 — 0 tons:** Quarterly production and employment 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 4 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 9 inspection events and 102 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 77.1000-1 — Filing of plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-K/section-77.1000-1
- **30 CFR 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2
- **30 CFR 71.208 — Respirable dust samples; report to operator; posting.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.208

## Source coverage

- **Addresses of Record:** 1 rows; 2003-02-06 through 2003-02-06; source ID `msha-addresses`
- **Assessed Violations:** 4 rows; 2000-07-06 through 2002-04-29; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 7 rows; 2000-02-23 through 2000-07-06; source ID `msha-coal-dust-samples`
- **Conferences:** 4 rows; 2000-08-09 through 2002-06-20; source ID `msha-conferences`
- **Controller and Operator History:** 1 rows; 1993-11-01 through 1993-11-01; source ID `msha-controller-operator-history`
- **Inspections:** 9 rows; 2000-02-17 through 2003-03-13; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 13 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 3 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 3 rows; 2000-07-06 through 2000-07-06; source ID `msha-noise-samples`
- **Violations:** 5 rows; 2000-07-06 through 2002-04-29; 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/lightning-1-3608437`
- JSON: `/api/v1/mines/lightning-1-3608437`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3608437/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3608437/relationships`
- MCP resource: `mine://3608437/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`