# #2

- **MSHA mine ID:** 1516784
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Floyd, KY
- **Operator:** N D O Coal Company Inc
- **Controller:** Rex Dean  Osborn
- **Public source rows linked:** 19
- **Source coverage:** 7 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rex Dean  Osborn (C15941) → N D O Coal Company Inc (P24425) → #2 (1516784)**

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

## Controller and operator valid-time history

- **Jack  Fannin et al → Mike J Enterprises Inc:** 1989-11-01 through 1993-07-07; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Emmett  Lawson → Tram Coal Company Inc:** 1993-07-08 through 1994-04-19; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Gary  Dunaway et al → Tram Coal Company Inc:** 1994-04-20 through 1994-08-09; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Roger Scott  Collins et al → Tram Coal Company Inc:** 1994-04-20 through 1994-08-09; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Bobby  Lawson et al → L & L Coal Company:** 1994-08-10 through 1999-06-15; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Earl  Lawson et al → L & L Coal Company:** 1994-08-10 through 1999-06-15; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Virgil  Isaac Jr → Big I Mining Inc:** 1999-06-16 through 2000-10-16; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Rex Dean  Osborn → N D O Coal Company Inc:** 2000-10-17 through current/open; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.
- **Virgil  Isaac Jr → Big I Mining Inc:** 2001-11-08 through 2000-10-16; derived from co-tenure at mine 1516784; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 22
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 1 violation rows across the full record; 0 carry an S&S flag and $55 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 — 0 tons:** Quarterly production and employment 0 employee hours and 0 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 5 inspection events and 36 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 75.1200 — Mine map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-M/section-75.1200

## Source coverage

- **Addresses of Record:** 1 rows; 2012-05-11 through 2012-05-11; source ID `msha-addresses`
- **Assessed Violations:** 1 rows; 2001-07-12 through 2001-07-12; source ID `msha-assessed-violations`
- **Controller and Operator History:** 9 rows; 1989-11-01 through 2000-10-17; source ID `msha-controller-operator-history`
- **Inspections:** 5 rows; 2000-12-06 through 2001-12-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 1 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 1 rows; 2001-07-12 through 2001-07-12; 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/2-1516784`
- JSON: `/api/v1/mines/2-1516784`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1516784/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1516784/relationships`
- MCP resource: `mine://1516784/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
