# #1

- **MSHA mine ID:** 1518724
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Floyd, KY
- **Operator:** Marissa Mining Company Inc.
- **Controller:** Michael G  Webb
- **Public source rows linked:** 93
- **Source coverage:** 8 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Michael G  Webb (0042751) → Marissa Mining Company Inc. (0051964) → #1 (1518724)**

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

## Controller and operator valid-time history

- **Michael G  Webb → Marissa Mining Company Inc.:** 2004-02-27 through current/open; derived from co-tenure at mine 1518724; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 33 violation rows across the full record; 16 carry an S&S flag and $3,672 appears in current assessed amounts.
3. **HEALTH — 5 samples:** Occupational health samples 5 coal dust. 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 17 inspection events and 198 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 75.302 — Main mine fans.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.302
- **30 CFR 75.1711-3 — Openings of active mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711-3
- **30 CFR 75.372 — Mine ventilation map.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.372
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 75.1710 — Canopies or cabs; diesel-powered and electric face equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1710
- **30 CFR 75.310 — Installation of main mine fans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.310
- **30 CFR 75.1714-3 — Self-rescue devices; inspection, testing, maintenance, repair, and recordkeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1714-3

## Source coverage

- **Addresses of Record:** 1 rows; 2010-01-21 through 2010-01-21; source ID `msha-addresses`
- **Assessed Violations:** 29 rows; 2004-03-23 through 2005-11-29; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 5 rows; 2004-04-20 through 2004-04-20; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 1 rows; 2004-02-27 through 2004-02-27; source ID `msha-controller-operator-history`
- **Inspections:** 17 rows; 2004-03-03 through 2010-01-21; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 6 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 33 rows; 2004-03-23 through 2006-01-09; 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/1-1518724`
- JSON: `/api/v1/mines/1-1518724`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1518724/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1518724/relationships`
- MCP resource: `mine://1518724/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`