# Antire Quarry (CS-72)

- **MSHA mine ID:** 2300026
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Jefferson, MO
- **Operator:** Central Stone Company
- **Controller:** Riverstone Group
- **Public source rows linked:** 1,510
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Riverstone Group (M00233) → Central Stone Company (L00061) → Antire Quarry (CS-72) (2300026)**

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

## Controller and operator valid-time history

- **Bussen Realty Co et al → Bussen Quarries Inc:** 1950-01-01 through 1990-04-30; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Missouri Gravel Co  et al → Bussen Quarries Inc:** 1950-01-01 through 1990-04-30; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group → BUSSEN QUARRIES INC:** 1990-05-01 through 2012-01-29; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Bussen Quarries Inc et al → BUSSEN QUARRIES INC:** 2012-01-30 through 2021-12-29; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group et al → BUSSEN QUARRIES INC:** 2012-01-30 through 2021-12-29; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group → Central Stone Company:** 2021-12-30 through 2022-10-19; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Bussen Quarries Inc et al → Bussen Quarries, Inc.:** 2022-10-20 through 2022-10-19; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group et al → Bussen Quarries, Inc.:** 2022-10-20 through 2022-10-19; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group → Bussen Quarries, Inc.:** 2022-10-20 through 2012-01-29; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group → BUSSEN QUARRIES INC:** 2022-10-20 through 2021-12-29; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group → Bussen Quarries, Inc.:** 2022-10-20 through 2024-07-15; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.
- **Riverstone Group → Central Stone Company:** 2024-07-16 through current/open; derived from co-tenure at mine 2300026; source `msha-controller-operator-history`.

- History rows: 12
- Typed edges: 22
- 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: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 6 since 2021:** Accidents and injuries 47 historical accident/injury rows; 0 coded fatalities and 1,218 lost days across the published record.
2. **COMPLIANCE — 34 since 2021:** Violations and penalties 219 violation rows across the full record; 37 carry an S&S flag and $37,089 appears in current assessed amounts.
3. **HEALTH — 70 samples:** Occupational health samples 70 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 20K employee hours and 31 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 94 linked rows:** Contests, conferences and decisions 14 contested-violation rows, 23 civil-penalty docket/decision rows, and 57 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 18 since 2021:** Inspections 89 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 46.6 — Newly hired experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6
- **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 56.13015 — Inspection of compressed-air receivers and other unfired pressure vessels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13015
- **30 CFR 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **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 56.12006 — Distribution boxes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006
- **30 CFR 56.4102 — Spillage and leakage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4102
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028

## Source coverage

- **Accident, Injuries, and Illnesses:** 47 rows; 2001-01-01 through 2025-09-12; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1973-02-15 through 1973-02-15; source ID `msha-addresses`
- **Assessed Violations:** 215 rows; 2000-05-23 through 2026-07-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2000-10-10 through 2026-02-10; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 57 rows; 2000-06-29 through 2025-09-22; source ID `msha-conferences`
- **Contested Violations:** 14 rows; 2006-12-12 through 2025-07-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 290 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 73 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 12 rows; 1950-01-01 through 2024-07-16; source ID `msha-controller-operator-history`
- **Inspections:** 89 rows; 2000-02-08 through 2026-09-28; 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:** 70 rows; 2002-09-11 through 2025-07-30; source ID `msha-personal-health-samples`
- **Violations:** 219 rows; 2000-05-23 through 2026-07-14; 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/antire-quarry-cs-72-2300026`
- JSON: `/api/v1/mines/antire-quarry-cs-72-2300026`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2300026/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2300026/relationships`
- MCP resource: `mine://2300026/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`