# Geneva-Oaks Corners Plant

- **MSHA mine ID:** 3000053
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Ontario, NY
- **Operator:** Heidelberg Materials Northeast LLC
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 1,231
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → Heidelberg Materials Northeast LLC (L16322) → Geneva-Oaks Corners Plant (3000053)**

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

## Controller and operator valid-time history

- **Koppers Company Inc → General Crushed Stone Company:** 1950-01-01 through 1988-11-13; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates New York Inc:** 1988-11-14 through 2004-03-28; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates Inc:** 2004-03-29 through 2004-06-15; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Hanson PLC → Heidelberg Materials Northeast-NY LLC:** 2004-06-16 through 2007-08-22; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates Inc:** 2007-08-23 through 2004-06-15; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates New York Inc:** 2007-08-23 through 2004-03-28; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Northeast-NY LLC:** 2007-08-23 through 2025-05-29; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Hanson Aggregates Inc:** 2021-10-01 through 2004-06-15; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Northeast LLC:** 2025-05-30 through current/open; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.
- **Hanson PLC → Heidelberg Materials Northeast LLC:** 2025-05-30 through 2007-08-22; derived from co-tenure at mine 3000053; source `msha-controller-operator-history`.

- History rows: 10
- Typed edges: 20
- Interval anomalies: 4
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 26 since 2021:** Violations and penalties 80 violation rows across the full record; 13 carry an S&S flag and $11,174 appears in current assessed amounts.
3. **HEALTH — 60 samples:** Occupational health samples 60 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 10K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 12 contested-violation rows, 12 civil-penalty docket/decision rows, and 6 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 — 16 since 2021:** Inspections 64 inspection events and 1K 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 56.4203 — Extinguisher recharging or replacement.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203
- **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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.20003 — Housekeeping.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **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 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2003-05-28 through 2021-02-08; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-05-05 through 2026-05-05; source ID `msha-addresses`
- **Assessed Violations:** 71 rows; 2001-10-09 through 2026-05-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 12 rows; 2010-09-09 through 2021-06-21; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2001-10-18 through 2020-08-17; source ID `msha-conferences`
- **Contested Violations:** 12 rows; 2009-04-14 through 2020-12-22; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 686 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 141 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 10 rows; 1950-01-01 through 2025-05-30; source ID `msha-controller-operator-history`
- **Inspections:** 64 rows; 2000-03-29 through 2026-10-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 56 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:** 60 rows; 2001-10-10 through 2026-05-05; source ID `msha-personal-health-samples`
- **Violations:** 80 rows; 2001-10-09 through 2026-10-02; 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/geneva-oaks-corners-plant-3000053`
- JSON: `/api/v1/mines/geneva-oaks-corners-plant-3000053`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3000053/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3000053/relationships`
- MCP resource: `mine://3000053/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`