# Maysville Mine

- **MSHA mine ID:** 1507101
- **Status:** Active
- **Type / commodity:** Underground / Crushed, Broken Limestone NEC
- **Location:** Mason, KY
- **Operator:** Carmeuse Lime and Stone Inc
- **Controller:** Carmeuse Holding SA
- **Public source rows linked:** 4,575
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Carmeuse Holding SA (M10266) → Carmeuse Lime and Stone Inc (0050945) → Maysville Mine (1507101)**

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

## Controller and operator valid-time history

- **Dravo Corp → Dravo Lime Company:** 1950-01-01 through 1998-10-25; derived from co-tenure at mine 1507101; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Dravo Lime Inc:** 1998-10-26 through 2002-06-19; derived from co-tenure at mine 1507101; source `msha-controller-operator-history`.
- **Lafarge SA → Dravo Lime Inc:** 1998-10-26 through 2002-06-19; derived from co-tenure at mine 1507101; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Carmeuse Lime and Stone Inc:** 2002-06-20 through 2015-07-14; derived from co-tenure at mine 1507101; source `msha-controller-operator-history`.
- **Lafarge SA → Carmeuse Lime and Stone Inc:** 2002-06-20 through 2015-07-14; derived from co-tenure at mine 1507101; source `msha-controller-operator-history`.
- **Carmeuse Holding SA → Carmeuse Lime and Stone Inc:** 2015-07-15 through current/open; derived from co-tenure at mine 1507101; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 13
- 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 — 45 since 2021:** Accidents and injuries 156 historical accident/injury rows; 0 coded fatalities and 850 lost days across the published record.
2. **COMPLIANCE — 197 since 2021:** Violations and penalties 860 violation rows across the full record; 214 carry an S&S flag and $274,253 appears in current assessed amounts.
3. **HEALTH — 510 samples:** Occupational health samples 491 personal; 19 area. 8 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 62K employee hours and 116 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 10 contested-violation rows, 10 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 11 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 — 32 since 2021:** Inspections 202 inspection events and 12K 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 56.20003 — Housekeeping.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **30 CFR 57.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11001
- **30 CFR 57.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12008
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 57.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4603
- **30 CFR 57.15001 — First aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15001

## Source coverage

- **Accident, Injuries, and Illnesses:** 156 rows; 2000-02-05 through 2026-09-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1979-03-05 through 1979-03-05; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 19 rows; 2008-12-11 through 2026-06-09; source ID `msha-area-samples`
- **Assessed Violations:** 850 rows; 2000-01-25 through 2026-08-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 10 rows; 2010-03-25 through 2017-03-21; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 12 rows; 2004-02-26 through 2016-03-31; source ID `msha-conferences`
- **Contested Violations:** 10 rows; 2009-02-10 through 2013-05-02; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,243 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 275 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 1950-01-01 through 2002-06-20; source ID `msha-controller-operator-history`
- **Inspections:** 202 rows; 2000-01-24 through 2026-09-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 349 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 90 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 491 rows; 2003-02-04 through 2026-06-17; source ID `msha-personal-health-samples`
- **Violations:** 860 rows; 2000-01-25 through 2026-08-04; 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/maysville-mine-1507101`
- JSON: `/api/v1/mines/maysville-mine-1507101`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1507101/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1507101/relationships`
- MCP resource: `mine://1507101/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`