# Darmac No. 2 Mine

- **MSHA mine ID:** 3608135
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Armstrong, PA
- **Operator:** Rosebud Mining Company
- **Controller:** J Clifford  Forrest III
- **Public source rows linked:** 5,010
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**J Clifford  Forrest III (C07485) → Rosebud Mining Company (P09635) → Darmac No. 2 Mine (3608135)**

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

## Controller and operator valid-time history

- **AOI Coal Company → Darmac Associates Corp:** 1989-11-01 through 1994-08-28; derived from co-tenure at mine 3608135; source `msha-controller-operator-history`.
- **Thomas J  Smith → T.J.S. Mining, Inc.:** 1994-08-29 through 2008-08-28; derived from co-tenure at mine 3608135; source `msha-controller-operator-history`.
- **J Clifford  Forrest III → Rosebud Mining Company:** 2008-08-29 through current/open; derived from co-tenure at mine 3608135; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 — 1 since 2021:** Accidents and injuries 107 historical accident/injury rows; 0 coded fatalities and 3,119 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 596 violation rows across the full record; 185 carry an S&S flag and $125,012 appears in current assessed amounts.
3. **HEALTH — 3K samples:** Occupational health samples 2,824 coal dust; 180 coal quartz; 164 noise. 0 personal-sample rows have a published C/E ratio above 1; 23 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 — 43K tons:** Quarterly production and employment 17K employee hours and 38 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 253 linked rows:** Contests, conferences and decisions 113 contested-violation rows, 113 civil-penalty docket/decision rows, and 27 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 6 since 2021:** Inspections 227 inspection events and 17K 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 75.220 — 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
- **30 CFR 75.403 — Maintenance of incombustible content of rock dust.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.403
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **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 75.333 — Ventilation controls.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3
- **30 CFR 50.20 — Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20
- **30 CFR 75.1600-2 — Communication facilities; working sections; installation and maintenance requirements; audible or visual alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-Q/section-75.1600-2
- **30 CFR 75.400 — Accumulation of combustible materials.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.1731 — Maintenance of belt conveyors and belt conveyor entries.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1731

## Source coverage

- **Accident, Injuries, and Illnesses:** 107 rows; 2001-04-21 through 2021-03-25; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2021-12-17 through 2021-12-17; source ID `msha-addresses`
- **Assessed Violations:** 590 rows; 2001-09-17 through 2021-06-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 113 rows; 2009-12-23 through 2021-10-15; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 2,824 rows; 2001-08-20 through 2022-12-28; source ID `msha-coal-dust-samples`
- **Conferences:** 27 rows; 2003-06-20 through 2021-03-04; source ID `msha-conferences`
- **Contested Violations:** 113 rows; 2007-11-13 through 2020-12-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1989-11-01 through 2008-08-29; source ID `msha-controller-operator-history`
- **Inspections:** 227 rows; 2000-06-13 through 2021-07-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 20 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 42 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 164 rows; 2001-12-04 through 2021-06-14; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 180 rows; 2001-09-24 through 2021-06-22; source ID `msha-quartz-samples`
- **Violations:** 596 rows; 2001-09-17 through 2021-06-29; 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/darmac-no-2-mine-3608135`
- JSON: `/api/v1/mines/darmac-no-2-mine-3608135`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3608135/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3608135/relationships`
- MCP resource: `mine://3608135/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`