# M & G #4

- **MSHA mine ID:** 1519103
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Anderson, TN
- **Operator:** M & G MINING, LLC
- **Controller:** Robert O  Roan
- **Public source rows linked:** 116
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Robert O  Roan (C16088) → M & G MINING, LLC (0079163) → M & G #4 (1519103)**

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

## Controller and operator valid-time history

- **Robert O  Roan → ROCO ENTERPRISES, INC.:** 2007-05-01 through 2008-12-09; derived from co-tenure at mine 1519103; source `msha-controller-operator-history`.
- **Robert O  Roan → M & G MINING, LLC:** 2008-12-10 through current/open; derived from co-tenure at mine 1519103; 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 1 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 24 violation rows across the full record; 4 carry an S&S flag and $2,720 appears in current assessed amounts.
3. **HEALTH — 40 samples:** Occupational health samples 20 coal dust; 20 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 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 — 16K tons:** Quarterly production and employment 4K employee hours and 10 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 9 inspection events and 199 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 77.211-1 — Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.211-1
- **30 CFR 77.106 — Records of certified and qualified persons.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-B/section-77.106
- **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 45.4 — Independent contractor register.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-45/section-45.4
- **30 CFR 77.1708 — Safety program; instruction of persons employed at the mine.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1708
- **30 CFR 77.1702 — Arrangements for emergency medical assistance and transportation for injured persons; reporting requirements; posting requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1702
- **30 CFR 71.403 — Waiver of surface facilities requirements; posting of waiver.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.403
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **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 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2007-06-23 through 2007-06-23; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-04-20 through 2009-04-20; source ID `msha-addresses`
- **Assessed Violations:** 24 rows; 2007-08-29 through 2009-04-13; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 20 rows; 2007-08-29 through 2009-03-25; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 2 rows; 2007-05-01 through 2008-12-10; source ID `msha-controller-operator-history`
- **Inspections:** 9 rows; 2007-08-29 through 2009-04-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 10 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 20 rows; 2007-08-29 through 2009-03-25; source ID `msha-noise-samples`
- **Violations:** 24 rows; 2007-08-29 through 2009-04-13; 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/m-g-4-1519103`
- JSON: `/api/v1/mines/m-g-4-1519103`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1519103/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1519103/relationships`
- MCP resource: `mine://1519103/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`