# Mathies

- **MSHA mine ID:** 3600963
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Washington, PA
- **Operator:** Mon-View Mining Corp
- **Controller:** Joseph P  Tassone
- **Public source rows linked:** 2,445
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Joseph P  Tassone (C14692) → Mon-View Mining Corp (P22543) → Mathies (3600963)**

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

## Controller and operator valid-time history

- **National Steel Corp et al → Mathies Coal Company:** 1950-01-01 through 1993-09-30; derived from co-tenure at mine 3600963; source `msha-controller-operator-history`.
- **Joseph P  Tassone et al → Mon-View Mining Corp:** 1993-10-01 through current/open; derived from co-tenure at mine 3600963; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 143 historical accident/injury rows; 0 coded fatalities and 6,681 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 509 violation rows across the full record; 209 carry an S&S flag and $71,521 appears in current assessed amounts.
3. **HEALTH — 639 samples:** Occupational health samples 592 coal dust; 32 coal quartz; 15 noise. 0 personal-sample rows have a published C/E ratio above 1; 6 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 — 249 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 183 civil-penalty docket/decision rows, and 66 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 126 inspection events and 6K 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 75.302 — Main mine fans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.302
- **30 CFR 75.1711 — Sealing of mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **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 77.204 — Openings in surface installations; safeguards.** (7 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204
- **30 CFR 77.1301 — Explosives; magazines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-N/section-77.1301

## Source coverage

- **Accident, Injuries, and Illnesses:** 143 rows; 2000-01-07 through 2002-03-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-05-11 through 2006-05-11; source ID `msha-addresses`
- **Assessed Violations:** 464 rows; 2000-01-11 through 2003-05-20; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 183 rows; 2000-05-22 through 2002-06-04; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 592 rows; 2000-01-05 through 2002-03-12; source ID `msha-coal-dust-samples`
- **Conferences:** 66 rows; 2000-03-21 through 2002-05-14; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 219 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 44 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1993-10-01; source ID `msha-controller-operator-history`
- **Inspections:** 126 rows; 2000-01-03 through 2006-04-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 38 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 15 rows; 2001-08-15 through 2001-12-17; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 32 rows; 2000-01-05 through 2002-03-12; source ID `msha-quartz-samples`
- **Violations:** 509 rows; 2000-01-11 through 2003-09-16; 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/mathies-3600963`
- JSON: `/api/v1/mines/mathies-3600963`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3600963/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3600963/relationships`
- MCP resource: `mine://3600963/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`