# DELIGHT PLANT

- **MSHA mine ID:** 0301587
- **Status:** Abandoned
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Pike, AR
- **Operator:** Hanson Aggregates
- **Controller:** Martin Marietta Materials Inc
- **Public source rows linked:** 81
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Martin Marietta Materials Inc (M00174) → Hanson Aggregates (L17823) → DELIGHT PLANT (0301587)**

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

## Controller and operator valid-time history

- **Frank B  Treat Jr → Tri-State Concrete Company Inc:** 1984-11-01 through 1987-05-10; derived from co-tenure at mine 0301587; source `msha-controller-operator-history`.
- **Edward  Kennon → Tri-State Sand & Gravel Inc:** 1987-05-11 through 1987-12-31; derived from co-tenure at mine 0301587; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates West Inc:** 1988-01-01 through 2004-08-24; derived from co-tenure at mine 0301587; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates:** 2004-08-25 through 2007-08-22; derived from co-tenure at mine 0301587; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates:** 2007-08-23 through 2021-09-30; derived from co-tenure at mine 0301587; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Hanson Aggregates:** 2021-10-01 through current/open; derived from co-tenure at mine 0301587; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- 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 1 historical accident/injury rows; 1 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 16 violation rows across the full record; 6 carry an S&S flag and $58,113 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 13 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 5 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 7 inspection events and 202 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 56.16007 — Taglines, hitches, and slings.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16007
- **30 CFR 56.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14205
- **30 CFR 56.16009 — Suspended loads.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16009
- **30 CFR 56.9201 — Loading, hauling, and unloading of equipment or supplies.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9201
- **30 CFR 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **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 41.11 — Notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.11
- **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 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 56.20008 — Toilet facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2003-08-21 through 2003-08-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2006-02-08 through 2006-02-08; source ID `msha-addresses`
- **Assessed Violations:** 15 rows; 2000-08-23 through 2004-04-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2006-03-22 through 2006-03-22; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2000-08-30 through 2004-07-07; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2004-04-23 through 2004-04-23; source ID `msha-contested-violations`
- **Controller and Operator History:** 6 rows; 1984-11-01 through 2004-08-25; source ID `msha-controller-operator-history`
- **Inspections:** 7 rows; 2000-08-23 through 2004-08-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 15 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 16 rows; 2000-08-23 through 2004-04-23; 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/delight-plant-0301587`
- JSON: `/api/v1/mines/delight-plant-0301587`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0301587/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0301587/relationships`
- MCP resource: `mine://0301587/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`