# Watson Branch

- **MSHA mine ID:** 4003273
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Claiborne, TN
- **Operator:** Solid Fuel, Inc.
- **Controller:** Darrell  Wagner
- **Public source rows linked:** 2,648
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Darrell  Wagner (C12755) → Solid Fuel, Inc. (0051382) → Watson Branch (4003273)**

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

## Controller and operator valid-time history

- **Jackie (Mitch)  Fannin Et Al → Tennco, Inc.:** 2006-02-03 through 2012-01-02; derived from co-tenure at mine 4003273; source `msha-controller-operator-history`.
- **Jack  Stump Et Al → Tennco, Inc.:** 2006-02-03 through 2012-01-02; derived from co-tenure at mine 4003273; source `msha-controller-operator-history`.
- **Wilma  Wagner → Solid Fuel, Inc.:** 2012-01-03 through 2011-08-11; derived from co-tenure at mine 4003273; source `msha-controller-operator-history`.
- **Darrell  Wagner → Solid Fuel, Inc.:** 2012-01-03 through current/open; derived from co-tenure at mine 4003273; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 9
- Interval anomalies: 1
- 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 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 708 violation rows across the full record; 160 carry an S&S flag and $211,892 appears in current assessed amounts.
3. **HEALTH — 832 samples:** Occupational health samples 675 coal dust; 32 coal quartz; 125 noise. 0 personal-sample rows have a published C/E ratio above 1; 14 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 10 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 13 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 13 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 112 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 75.1711 — Sealing of mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **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 75.311 — Main mine fan operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.311
- **30 CFR 75.512-2 — Frequency of examinations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512-2
- **30 CFR 75.1100-1 — Type and quality of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-1
- **30 CFR 75.1725 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1725
- **30 CFR 77.512 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.512
- **30 CFR 75.333 — Ventilation controls.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.333
- **30 CFR 75.605 — Clamping of trailing cables to equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.605

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2017-10-10 through 2017-10-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-11-06 through 2023-11-06; source ID `msha-addresses`
- **Assessed Violations:** 687 rows; 2006-05-09 through 2018-12-18; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 675 rows; 2006-05-18 through 2017-11-22; source ID `msha-coal-dust-samples`
- **Conferences:** 13 rows; 2012-10-09 through 2017-04-20; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 179 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 49 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 2006-02-03 through 2012-01-03; source ID `msha-controller-operator-history`
- **Inspections:** 112 rows; 2006-02-27 through 2020-04-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 47 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 14 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 125 rows; 2012-08-14 through 2017-08-15; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 32 rows; 2012-08-14 through 2017-08-15; source ID `msha-quartz-samples`
- **Violations:** 708 rows; 2006-05-09 through 2018-12-21; 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/watson-branch-4003273`
- JSON: `/api/v1/mines/watson-branch-4003273`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4003273/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4003273/relationships`
- MCP resource: `mine://4003273/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`