# BUCYRUS PLANT

- **MSHA mine ID:** 3300122
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Crawford, OH
- **Operator:** The National Lime & Stone Company
- **Controller:** National Lime & Stone Co.
- **Public source rows linked:** 2,737
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**National Lime & Stone Co. (M00255) → The National Lime & Stone Company (L00317) → BUCYRUS PLANT (3300122)**

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

## Controller and operator valid-time history

- **National Lime & Stone Co. → The National Lime & Stone Company:** 1950-01-01 through current/open; derived from co-tenure at mine 3300122; 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 — 2 since 2021:** Accidents and injuries 42 historical accident/injury rows; 0 coded fatalities and 444 lost days across the published record.
2. **COMPLIANCE — 48 since 2021:** Violations and penalties 209 violation rows across the full record; 41 carry an S&S flag and $27,213 appears in current assessed amounts.
3. **HEALTH — 142 samples:** Occupational health samples 142 personal. 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 15K employee hours and 26 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 20 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 civil-penalty docket/decision rows, and 10 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 — 17 since 2021:** Inspections 81 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 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.3200 — Correction of hazardous conditions.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **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 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.14132 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 42 rows; 2000-02-29 through 2026-09-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2024-12-10 through 2024-12-10; source ID `msha-addresses`
- **Assessed Violations:** 208 rows; 2001-07-16 through 2025-09-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2011-10-21 through 2023-08-29; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 10 rows; 2005-07-26 through 2023-03-15; source ID `msha-conferences`
- **Contested Violations:** 5 rows; 2010-06-01 through 2022-09-01; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,340 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 295 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 81 rows; 2001-07-16 through 2026-09-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 316 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:** 142 rows; 2001-07-17 through 2026-09-24; source ID `msha-personal-health-samples`
- **Violations:** 209 rows; 2001-07-16 through 2025-09-23; 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/bucyrus-plant-3300122`
- JSON: `/api/v1/mines/bucyrus-plant-3300122`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3300122/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3300122/relationships`
- MCP resource: `mine://3300122/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`