# Hattieville Quarry

- **MSHA mine ID:** 0301994
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Sandstone
- **Location:** Conway, AR
- **Operator:** Ronnie Duffield Gravel Company
- **Controller:** Matt  Duffield; Luke B Duffield; David D Duffield
- **Public source rows linked:** 263
- **Source coverage:** 9 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Matt  Duffield; Luke B Duffield; David D Duffield (0169560) → Ronnie Duffield Gravel Company (L03692) → Hattieville Quarry (0301994)**

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

## Controller and operator valid-time history

- **Michael E  Miller → Hattieville Rock LLC:** 2010-05-26 through 2015-09-30; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **J Edward  Hamilton → Hamilton Aggregates, Inc..:** 2015-10-01 through 2015-09-30; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Michael E  Miller et al → Hamilton Aggregates, Inc..:** 2015-10-01 through 2019-09-22; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **J Edward  Hamilton et al → Hamilton Aggregates, Inc..:** 2015-10-01 through 2019-09-22; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Michael E  Miller → Hamilton Aggregates, Inc..:** 2019-09-23 through 2021-01-03; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Ronald M Duffield et al → Ronnie Duffield Gravel Company:** 2021-01-04 through 2022-06-02; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Luke B Duffield et al → Ronnie Duffield Gravel Company:** 2021-01-04 through 2022-06-02; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **David D Duffield et al → Ronnie Duffield Gravel Company:** 2021-01-04 through 2022-06-02; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Ronald  Duffield → Ronnie Duffield Gravel Company:** 2021-01-04 through 2020-06-07; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Luke B Duffield et al → Ronnie Duffield Gravel Company:** 2022-06-03 through current/open; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **Matt  Duffield et al → Ronnie Duffield Gravel Company:** 2022-06-03 through current/open; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.
- **David D Duffield et al → Ronnie Duffield Gravel Company:** 2022-06-03 through current/open; derived from co-tenure at mine 0301994; source `msha-controller-operator-history`.

- History rows: 12
- Typed edges: 22
- Interval anomalies: 2
- 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 47 violation rows across the full record; 10 carry an S&S flag and $6,732 appears in current assessed amounts.
3. **HEALTH — 16 samples:** Occupational health samples 16 personal. 2 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 17 inspection events and 284 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 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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
- **30 CFR 56.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006
- **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 56.12006 — 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 56.14107 — 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 56.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018
- **30 CFR 56.14105 — Procedures during repairs or maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14105
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **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

## Source coverage

- **Addresses of Record:** 1 rows; 2022-04-13 through 2022-04-13; source ID `msha-addresses`
- **Assessed Violations:** 47 rows; 2010-08-12 through 2020-04-23; source ID `msha-assessed-violations`
- **Controller and Operator History:** 12 rows; 2010-05-26 through 2021-01-04; source ID `msha-controller-operator-history`
- **Inspections:** 17 rows; 2010-08-12 through 2020-04-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 98 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 24 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:** 16 rows; 2010-09-22 through 2018-04-19; source ID `msha-personal-health-samples`
- **Violations:** 47 rows; 2010-08-12 through 2020-04-23; 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/hattieville-quarry-0301994`
- JSON: `/api/v1/mines/hattieville-quarry-0301994`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0301994/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0301994/relationships`
- MCP resource: `mine://0301994/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`