# Paulding Stone Quarry

- **MSHA mine ID:** 3301224
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Paulding, OH
- **Operator:** Hanson Aggregates Midwest, LLC
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 361
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → Hanson Aggregates Midwest, LLC (L16286) → Paulding Stone Quarry (3301224)**

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

## Controller and operator valid-time history

- **France Stone Company → France Stone Company:** 1950-01-01 through 1986-09-30; derived from co-tenure at mine 3301224; source `msha-controller-operator-history`.
- **Koppers Company Inc → France Stone Company:** 1986-10-01 through 1988-11-13; derived from co-tenure at mine 3301224; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates Midwest, LLC:** 1988-11-14 through 2007-08-22; derived from co-tenure at mine 3301224; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates Midwest, LLC:** 2007-08-23 through current/open; derived from co-tenure at mine 3301224; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 40 violation rows across the full record; 4 carry an S&S flag and $3,672 appears in current assessed amounts.
3. **HEALTH — 16 samples:** Occupational health samples 16 personal. 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 480 employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 10 linked rows:** Contests, conferences and decisions 5 contested-violation rows, 5 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 27 inspection events and 386 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 56.12016 — Work on electrically-powered equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **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 56.4503 — Conveyor belt slippage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4503
- **30 CFR 56.14200 — Warnings prior to starting or moving equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200
- **30 CFR 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.17001 — Illumination of surface working areas.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-P/section-56.17001
- **30 CFR 56.14109 — Unguarded conveyors with adjacent travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109
- **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 56.11012 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2014-12-11 through 2014-12-11; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2017-05-15 through 2017-05-15; source ID `msha-addresses`
- **Assessed Violations:** 40 rows; 2000-08-01 through 2015-10-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2011-05-02 through 2013-08-12; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 5 rows; 2010-05-26 through 2012-05-22; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1988-11-14; source ID `msha-controller-operator-history`
- **Inspections:** 27 rows; 2000-08-01 through 2016-11-28; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 185 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 36 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:** 16 rows; 2003-09-10 through 2016-11-30; source ID `msha-personal-health-samples`
- **Violations:** 40 rows; 2000-08-01 through 2015-10-14; 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/paulding-stone-quarry-3301224`
- JSON: `/api/v1/mines/paulding-stone-quarry-3301224`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3301224/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3301224/relationships`
- MCP resource: `mine://3301224/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`