# Lowell Quarry

- **MSHA mine ID:** 0301640
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Benton, AR
- **Operator:** Hunt-Rogers Materials LLC
- **Controller:** Northwest Arkansas Quarries LLC; Rogers Group Inc
- **Public source rows linked:** 1,019
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Northwest Arkansas Quarries LLC; Rogers Group Inc (0125301) → Hunt-Rogers Materials LLC (0127553) → Lowell Quarry (0301640)**

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

## Controller and operator valid-time history

- **Richard E  Berry → Reb Enterprises Inc:** 1988-06-01 through 1999-08-24; derived from co-tenure at mine 0301640; source `msha-controller-operator-history`.
- **Rogers Group Inc → Rogers Group Inc:** 1999-08-25 through 2013-03-31; derived from co-tenure at mine 0301640; source `msha-controller-operator-history`.
- **Rogers Group Inc → Hunt-Rogers Materials LLC:** 2013-04-01 through 2016-04-25; derived from co-tenure at mine 0301640; source `msha-controller-operator-history`.
- **Rogers Group Inc et al → Hunt-Rogers Materials LLC:** 2016-04-26 through current/open; derived from co-tenure at mine 0301640; source `msha-controller-operator-history`.
- **Northwest Arkansas Quarries LLC et al → Hunt-Rogers Materials LLC:** 2016-04-26 through current/open; derived from co-tenure at mine 0301640; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 18 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 118 violation rows across the full record; 28 carry an S&S flag and $16,132 appears in current assessed amounts.
3. **HEALTH — 48 samples:** Occupational health samples 48 personal. 10 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 16 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 20 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 5 civil-penalty docket/decision rows, and 12 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 45 inspection events and 899 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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **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 56.4101 — Warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101
- **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 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **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 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **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 56.12004 — 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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2004-04-09 through 2013-08-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-08-18 through 2015-08-18; source ID `msha-addresses`
- **Assessed Violations:** 117 rows; 2001-01-18 through 2014-04-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 5 rows; 2004-03-10 through 2014-12-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 12 rows; 2002-09-24 through 2014-03-20; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2006-12-13 through 2014-04-09; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 490 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 97 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1988-06-01 through 2013-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 45 rows; 2000-01-04 through 2014-04-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 36 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 38 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:** 48 rows; 2005-02-16 through 2013-11-21; source ID `msha-personal-health-samples`
- **Violations:** 118 rows; 2001-01-18 through 2014-04-09; 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/lowell-quarry-0301640`
- JSON: `/api/v1/mines/lowell-quarry-0301640`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0301640/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0301640/relationships`
- MCP resource: `mine://0301640/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`