# #1

- **MSHA mine ID:** 1507257
- **Status:** Abandoned
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Harlan, KY
- **Operator:** Saylor Brothers Enterprises Inc
- **Controller:** Nicholas  Saylor
- **Public source rows linked:** 207
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Nicholas  Saylor (C11465) → Saylor Brothers Enterprises Inc (P22849) → #1 (1507257)**

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

## Controller and operator valid-time history

- **Bobby  Thomas → Thomas Coal Company:** 1974-11-01 through 1976-07-05; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Willard  Saylor et al → W & N Coal Company:** 1976-07-06 through 1979-03-12; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Melvin  Taylor → T & M Coal Corp:** 1979-03-13 through 1983-12-08; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Keston  Sturgill → Wet Creek Coal Company Inc:** 1983-12-09 through 1986-08-05; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Jerry  Brock → Bronco Mining Inc:** 1986-08-06 through 1987-05-18; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Orville  Clem → O C Coal Inc:** 1987-05-19 through 1992-11-03; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Ray  Alred → R & R Coal Company Inc:** 1992-11-04 through 1994-01-09; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Sandra  Roberts et al → Wallins Creek Mining Inc:** 1994-01-10 through 1994-03-21; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Connie  Roberts et al → Wallins Creek Mining Inc:** 1994-01-10 through 1994-03-21; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Lisa B  Parrott → Lonesome Pines Inc:** 1994-03-22 through 1994-09-05; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.
- **Nicholas  Saylor et al → Saylor Brothers Enterprises Inc:** 1994-09-06 through current/open; derived from co-tenure at mine 1507257; source `msha-controller-operator-history`.

- History rows: 11
- Typed edges: 31
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 43 violation rows across the full record; 26 carry an S&S flag and $5,316 appears in current assessed amounts.
3. **HEALTH — 88 samples:** Occupational health samples 72 coal dust; 11 coal quartz; 5 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
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 20 inspection events and 501 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 75.403 — 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 75.503 — Permissible electric face equipment; maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.523-3 — Automatic emergency-parking brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.523-3
- **30 CFR 75.202 — Protection from falls of roof, face and ribs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.202
- **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 75.1103 — Automatic fire warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1103
- **30 CFR 75.603 — Temporary splice of trailing cable.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-G/section-75.603
- **30 CFR 75.1722 — Mechanical equipment guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1722
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370

## Source coverage

- **Addresses of Record:** 1 rows; 2001-06-25 through 2001-06-25; source ID `msha-addresses`
- **Assessed Violations:** 43 rows; 2000-02-08 through 2000-08-29; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 72 rows; 2000-01-20 through 2000-08-09; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 11 rows; 1974-11-01 through 1994-09-06; source ID `msha-controller-operator-history`
- **Inspections:** 20 rows; 2000-01-28 through 2000-10-02; source ID `msha-inspections`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 5 rows; 2000-04-06 through 2000-04-06; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 11 rows; 2000-02-29 through 2000-06-13; source ID `msha-quartz-samples`
- **Violations:** 43 rows; 2000-02-08 through 2000-08-29; 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/1-1507257`
- JSON: `/api/v1/mines/1-1507257`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1507257/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1507257/relationships`
- MCP resource: `mine://1507257/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`