# Wells Quarry C624

- **MSHA mine ID:** 1700218
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** York, ME
- **Operator:** Pike Industries Inc
- **Controller:** CRH PLC
- **Public source rows linked:** 1,542
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**CRH PLC (M06183) → Pike Industries Inc (L10129) → Wells Quarry C624 (1700218)**

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

## Controller and operator valid-time history

- **Ashland Inc → Warren Brothers Company Inc:** 1950-01-01 through 1979-04-22; derived from co-tenure at mine 1700218; source `msha-controller-operator-history`.
- **BTR PLC → Tilcon Maine Inc:** 1979-04-23 through 1996-12-31; derived from co-tenure at mine 1700218; source `msha-controller-operator-history`.
- **CRH PLC → Pike Industries Inc:** 1997-01-01 through current/open; derived from co-tenure at mine 1700218; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- 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 9 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 19 since 2021:** Violations and penalties 87 violation rows across the full record; 22 carry an S&S flag and $17,496 appears in current assessed amounts.
3. **HEALTH — 54 samples:** Occupational health samples 54 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 7K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 28 linked rows:** Contests, conferences and decisions 10 contested-violation rows, 10 civil-penalty docket/decision rows, and 8 conference records linked by issuance number.
6. **CONTRACTORS — 9 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 — 15 since 2021:** Inspections 61 inspection events and 953 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 56.12032 — Inspection and cover plates.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **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
- **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 46.5 — New miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5
- **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 56.12004 — 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 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7

## Source coverage

- **Accident, Injuries, and Illnesses:** 9 rows; 2000-09-05 through 2025-06-06; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-03-18 through 2013-03-18; source ID `msha-addresses`
- **Assessed Violations:** 86 rows; 2000-08-03 through 2026-02-10; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 10 rows; 2009-11-17 through 2026-01-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 8 rows; 2016-11-03 through 2025-09-30; source ID `msha-conferences`
- **Contested Violations:** 10 rows; 2008-07-22 through 2025-02-26; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 711 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 155 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1950-01-01 through 1997-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 61 rows; 2000-08-03 through 2026-04-27; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 289 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 57 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:** 54 rows; 2002-05-07 through 2022-12-13; source ID `msha-personal-health-samples`
- **Violations:** 87 rows; 2000-08-03 through 2026-02-10; 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/wells-quarry-c624-1700218`
- JSON: `/api/v1/mines/wells-quarry-c624-1700218`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1700218/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1700218/relationships`
- MCP resource: `mine://1700218/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`