# Lowell Mine & Mill

- **MSHA mine ID:** 0801121
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Marion, FL
- **Operator:** Martin Marietta Materials, Inc
- **Controller:** Lhoist Group
- **Public source rows linked:** 1,710
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Lhoist Group (0041044) → Martin Marietta Materials, Inc (L12380) → Lowell Mine & Mill (0801121)**

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

## Controller and operator valid-time history

- **Franklin Industries Inc → Lhoist North America of Tennessee, Inc:** 1989-01-01 through 2006-11-30; derived from co-tenure at mine 0801121; source `msha-controller-operator-history`.
- **Lhoist Group → Lhoist North America of Tennessee, Inc:** 2006-12-01 through current/open; derived from co-tenure at mine 0801121; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- 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 — 8 since 2021:** Accidents and injuries 33 historical accident/injury rows; 0 coded fatalities and 765 lost days across the published record.
2. **COMPLIANCE — 58 since 2021:** Violations and penalties 283 violation rows across the full record; 80 carry an S&S flag and $90,923 appears in current assessed amounts.
3. **HEALTH — 40 samples:** Occupational health samples 39 personal; 1 area. 1 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 18K employee hours and 33 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 97 linked rows:** Contests, conferences and decisions 44 contested-violation rows, 46 civil-penalty docket/decision rows, and 7 conference records linked by issuance number.
6. **CONTRACTORS — 5 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 — 21 since 2021:** Inspections 87 inspection events and 2K 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 56.12019 — Access to stationary electrical equipment or switchgear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12019
- **30 CFR 56.11006 — Fixed ladder landings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11006
- **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 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 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.12018 — Identification of power switches.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104

## Source coverage

- **Accident, Injuries, and Illnesses:** 33 rows; 2000-01-03 through 2026-02-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-01-30 through 2009-01-30; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2005-07-21 through 2005-07-21; source ID `msha-area-samples`
- **Assessed Violations:** 279 rows; 2000-01-11 through 2026-08-13; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 46 rows; 2002-05-02 through 2020-11-16; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 7 rows; 2001-08-10 through 2020-05-29; source ID `msha-conferences`
- **Contested Violations:** 44 rows; 2009-02-24 through 2020-02-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 393 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 95 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1989-01-01 through 1989-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 87 rows; 2000-01-11 through 2026-09-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 39 rows; 2003-02-12 through 2023-05-05; source ID `msha-personal-health-samples`
- **Violations:** 283 rows; 2000-01-11 through 2026-08-13; 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/lowell-mine-mill-0801121`
- JSON: `/api/v1/mines/lowell-mine-mill-0801121`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0801121/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0801121/relationships`
- MCP resource: `mine://0801121/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`