# Rochester Mills Strip Mine

- **MSHA mine ID:** 3607437
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Indiana, PA
- **Operator:** T L H Coal Co.
- **Controller:** Thomas H  Loughry; John W  Loughry
- **Public source rows linked:** 371
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Thomas H  Loughry; John W  Loughry (C02113) → T L H Coal Co. (P02456) → Rochester Mills Strip Mine (3607437)**

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

## Controller and operator valid-time history

- **John W  Loughry et al → T L H Coal Company:** 1983-03-01 through current/open; derived from co-tenure at mine 3607437; source `msha-controller-operator-history`.
- **Thomas H  Loughry et al → T L H Coal Company:** 1983-03-01 through current/open; derived from co-tenure at mine 3607437; 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 1 historical accident/injury rows; 0 coded fatalities and 120 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 24 violation rows across the full record; 9 carry an S&S flag and $3,092 appears in current assessed amounts.
3. **HEALTH — 139 samples:** Occupational health samples 96 coal dust; 5 coal quartz; 38 noise. 0 personal-sample rows have a published C/E ratio above 1; 5 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 — 9K tons:** Quarterly production and employment 2K employee hours and 5 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 — 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 — 0 since 2021:** Inspections 75 inspection events and 995 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 71.206 — Quarterly sampling; designated work positions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-C/section-71.206
- **30 CFR 77.100 — Certified person.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-B/section-77.100
- **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 77.1109 — Quantity and location of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1109
- **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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (4 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:** 1 rows; 2002-08-08 through 2002-08-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-06-29 through 2020-06-29; source ID `msha-addresses`
- **Assessed Violations:** 24 rows; 2000-05-26 through 2020-05-14; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 96 rows; 2000-02-14 through 2019-12-27; source ID `msha-coal-dust-samples`
- **Contractor Employment and Production — Quarterly:** 60 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 15 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1983-03-01 through 1983-03-01; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2000-01-28 through 2020-06-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 17 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 38 rows; 2000-08-01 through 2019-03-13; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 5 rows; 2000-08-01 through 2017-06-28; source ID `msha-quartz-samples`
- **Violations:** 24 rows; 2000-05-26 through 2020-05-14; 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/rochester-mills-strip-mine-3607437`
- JSON: `/api/v1/mines/rochester-mills-strip-mine-3607437`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3607437/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3607437/relationships`
- MCP resource: `mine://3607437/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
