# Miller Materials

- **MSHA mine ID:** 3602362
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Bucks, PA
- **Operator:** Naceville Materials J.V.
- **Controller:** Naceville Materials Inc; Haines & Kibblehouse Inc
- **Public source rows linked:** 783
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Naceville Materials Inc; Haines & Kibblehouse Inc (M36589) → Naceville Materials J.V. (L36589) → Miller Materials (3602362)**

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

## Controller and operator valid-time history

- **Robert  S  Miller et al → Miller Quarries-Div/Miller & Son Paving Inc:** 1950-01-01 through 2015-04-12; derived from co-tenure at mine 3602362; source `msha-controller-operator-history`.
- **George R  Miller III et al → Miller Quarries-Div/Miller & Son Paving Inc:** 1950-01-01 through 2015-04-12; derived from co-tenure at mine 3602362; source `msha-controller-operator-history`.
- **Naceville Materials Inc  et al → Naceville Materials J.V.:** 2015-04-13 through current/open; derived from co-tenure at mine 3602362; source `msha-controller-operator-history`.
- **Haines & Kibblehouse Inc et al → Naceville Materials J.V.:** 2015-04-13 through current/open; derived from co-tenure at mine 3602362; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 8
- 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 7 historical accident/injury rows; 0 coded fatalities and 289 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 110 violation rows across the full record; 31 carry an S&S flag and $32,048 appears in current assessed amounts.
3. **HEALTH — 24 samples:** Occupational health samples 24 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 7K employee hours and 13 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 7 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 50 inspection events and 814 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 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **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 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 56.9300 — 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 56.14112 — 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 56.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12025
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2015-01-15 through 2019-10-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-08-05 through 2020-08-05; source ID `msha-addresses`
- **Assessed Violations:** 109 rows; 2000-06-27 through 2019-04-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2011-08-10 through 2011-08-10; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2002-11-15 through 2010-11-01; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2010-10-20 through 2010-10-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 174 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 43 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2015-04-13; source ID `msha-controller-operator-history`
- **Inspections:** 50 rows; 2000-06-27 through 2019-04-03; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 211 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 42 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:** 24 rows; 2001-04-11 through 2018-10-04; source ID `msha-personal-health-samples`
- **Violations:** 110 rows; 2000-06-27 through 2019-04-04; 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/miller-materials-3602362`
- JSON: `/api/v1/mines/miller-materials-3602362`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3602362/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3602362/relationships`
- MCP resource: `mine://3602362/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`