# Star Plant

- **MSHA mine ID:** 3200706
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Barnes, ND
- **Operator:** Strata Corp
- **Controller:** Knife River Corporation
- **Public source rows linked:** 323
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Knife River Corporation (0176802) → Strata Corp (L09644) → Star Plant (3200706)**

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

## Controller and operator valid-time history

- **Tom  Morehouse et al → Star Enterprises Inc:** 1987-05-01 through 1999-05-31; derived from co-tenure at mine 3200706; source `msha-controller-operator-history`.
- **James R  Bradshaw et al → Strata Corp:** 1999-06-01 through 2026-03-22; derived from co-tenure at mine 3200706; source `msha-controller-operator-history`.
- **Knife River Corporation → Strata Corp:** 2026-03-23 through current/open; derived from co-tenure at mine 3200706; source `msha-controller-operator-history`.

- History rows: 3
- 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 — 7 since 2021:** Violations and penalties 22 violation rows across the full record; 4 carry an S&S flag and $3,297 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 347 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 3 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 — 7 since 2021:** Inspections 39 inspection events and 398 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 46.5 — New miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5
- **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 56.1000 — Notification of commencement of operations and closing of mines.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000
- **30 CFR 56.12032 — Inspection and cover plates.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **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 56.12006 — 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 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

## Source coverage

- **Addresses of Record:** 1 rows; 2012-04-23 through 2012-04-23; source ID `msha-addresses`
- **Assessed Violations:** 22 rows; 2000-04-18 through 2024-11-05; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2000-10-19 through 2011-07-13; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 1 rows; 2010-04-21 through 2010-04-21; source ID `msha-contested-violations`
- **Controller and Operator History:** 3 rows; 1987-05-01 through 1999-06-01; source ID `msha-controller-operator-history`
- **Inspections:** 39 rows; 2000-04-18 through 2026-06-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 200 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 30 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:** 1 rows; 2009-09-23 through 2009-09-23; source ID `msha-personal-health-samples`
- **Violations:** 22 rows; 2000-04-18 through 2024-11-05; 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/star-plant-3200706`
- JSON: `/api/v1/mines/star-plant-3200706`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3200706/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3200706/relationships`
- MCP resource: `mine://3200706/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
