# Greers Ferry Quarry

- **MSHA mine ID:** 0302030
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Cleburne, AR
- **Operator:** Hamilton Aggregates, Inc.
- **Controller:** Michael E  Miller
- **Public source rows linked:** 55
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Michael E  Miller (0093613) → Hamilton Aggregates, Inc. (0079204) → Greers Ferry Quarry (0302030)**

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

## Controller and operator valid-time history

- **J Edward  Hamilton → Hamilton Aggregates, Inc.:** 2012-04-02 through 2015-09-30; derived from co-tenure at mine 0302030; 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 0302030; 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 0302030; source `msha-controller-operator-history`.
- **Michael E  Miller → Hamilton Aggregates, Inc.:** 2019-09-23 through current/open; derived from co-tenure at mine 0302030; 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 5 violation rows across the full record; 1 carry an S&S flag and $643 appears in current assessed amounts.
3. **HEALTH — 3 samples:** Occupational health samples 3 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 38 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 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 4 inspection events and 55 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 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001
- **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 56.14132 — 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 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **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; 2015-08-19 through 2015-08-19; source ID `msha-addresses`
- **Assessed Violations:** 5 rows; 2012-08-21 through 2012-12-18; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2013-09-16 through 2013-09-16; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 2 rows; 2012-12-18 through 2012-12-18; source ID `msha-contested-violations`
- **Controller and Operator History:** 4 rows; 2012-04-02 through 2012-04-02; source ID `msha-controller-operator-history`
- **Inspections:** 4 rows; 2012-08-20 through 2013-04-25; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 20 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 8 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:** 3 rows; 2013-01-08 through 2013-01-08; source ID `msha-personal-health-samples`
- **Violations:** 5 rows; 2012-08-21 through 2012-12-18; 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/greers-ferry-quarry-0302030`
- JSON: `/api/v1/mines/greers-ferry-quarry-0302030`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0302030/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0302030/relationships`
- MCP resource: `mine://0302030/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`