# Rosa Mine

- **MSHA mine ID:** 0100787
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Blount, AL
- **Operator:** MCoal Corporation
- **Controller:** NOVADX  Ventures Corporation
- **Public source rows linked:** 252
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**NOVADX  Ventures Corporation (0088713) → MCoal Corporation (0104865) → Rosa Mine (0100787)**

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

## Controller and operator valid-time history

- **Calvert John D → Calvert & Marsh Coal Company Inc:** 1950-01-01 through 1983-12-20; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **Simmons George M → Berry Mountain Mining Company Inc:** 1983-12-21 through 1986-08-19; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **Reid Dolores → New Acton Coal Mining Company Inc:** 1986-08-20 through 1987-08-11; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **Stewart James W → Soniclean Coal Of Alabama Inc:** 1987-08-12 through 2009-09-29; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **Robert J  Reed Sr → New Acton Coal Mining Company Inc:** 2002-10-01 through 1987-08-11; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **NOVADX  Ventures Corporation → MCoal Corporation:** 2009-09-30 through current/open; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **TRU Energy Services LLC → New Acton Coal Mining Company Inc:** 2012-09-01 through 1987-08-11; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.
- **NACCO Industries Inc → New Acton Coal Mining Company Inc:** 2012-10-30 through 1987-08-11; derived from co-tenure at mine 0100787; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 21
- Interval anomalies: 3
- 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 2 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 34 violation rows across the full record; 8 carry an S&S flag and $5,428 appears in current assessed amounts.
3. **HEALTH — 73 samples:** Occupational health samples 52 coal dust; 21 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 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 2K employee hours and 4 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 — 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 36 inspection events and 583 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 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **30 CFR 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 71.400 — Bathing facilities; change rooms; sanitary flush toilet facilities.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.400
- **30 CFR 62.120 — Action level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 48.25 — Training of new miners; minimum courses of instruction; hours of instruction.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.25
- **30 CFR 48.26 — Experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.26
- **30 CFR 77.400 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **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 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2011-07-05 through 2011-08-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-03-27 through 2025-03-27; source ID `msha-addresses`
- **Assessed Violations:** 33 rows; 2010-02-01 through 2016-11-07; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 52 rows; 2010-03-22 through 2016-11-07; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 8 rows; 1950-01-01 through 2009-09-30; source ID `msha-controller-operator-history`
- **Inspections:** 36 rows; 2010-01-19 through 2017-09-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 52 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 12 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 21 rows; 2010-03-22 through 2016-11-07; source ID `msha-noise-samples`
- **Violations:** 34 rows; 2010-02-01 through 2016-11-07; 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/rosa-mine-0100787`
- JSON: `/api/v1/mines/rosa-mine-0100787`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0100787/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0100787/relationships`
- MCP resource: `mine://0100787/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`