# Cranston Quarry

- **MSHA mine ID:** 3700002
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Providence, RI
- **Operator:** P J Keating Company
- **Controller:** CRH PLC
- **Public source rows linked:** 2,043
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → P J Keating Company (L13941) → Cranston Quarry (3700002)**

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

## Controller and operator valid-time history

- **BTR PLC → Tilcon Gammino Inc:** 1950-01-01 through 1996-09-08; derived from co-tenure at mine 3700002; source `msha-controller-operator-history`.
- **CRH PLC → P J Keating Company:** 1996-09-09 through current/open; derived from co-tenure at mine 3700002; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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 13 historical accident/injury rows; 0 coded fatalities and 80 lost days across the published record.
2. **COMPLIANCE — 24 since 2021:** Violations and penalties 114 violation rows across the full record; 23 carry an S&S flag and $18,270 appears in current assessed amounts.
3. **HEALTH — 42 samples:** Occupational health samples 42 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 15K employee hours and 25 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 44 linked rows:** Contests, conferences and decisions 15 contested-violation rows, 24 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 — 13 since 2021:** Inspections 66 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 46.9 — Records of training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **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 56.11001 — Safe access.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 56.9300 — 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 56.12004 — 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 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2000-09-05 through 2020-02-14; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-05-01 through 2001-05-01; source ID `msha-addresses`
- **Assessed Violations:** 112 rows; 2001-01-04 through 2026-06-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 24 rows; 2001-01-29 through 2017-09-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2017-04-18 through 2026-09-22; source ID `msha-conferences`
- **Contested Violations:** 15 rows; 2010-05-18 through 2017-05-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,017 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 233 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 1996-09-09; source ID `msha-controller-operator-history`
- **Inspections:** 66 rows; 2001-01-04 through 2026-07-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 317 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:** 42 rows; 2001-04-25 through 2022-03-30; source ID `msha-personal-health-samples`
- **Violations:** 114 rows; 2001-01-04 through 2026-06-17; 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/cranston-quarry-3700002`
- JSON: `/api/v1/mines/cranston-quarry-3700002`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3700002/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3700002/relationships`
- MCP resource: `mine://3700002/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`