# Plant #3

- **MSHA mine ID:** 2301765
- **Status:** Intermittent
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Franklin, MO
- **Operator:** Barrett Materials Inc
- **Controller:** Benjamin J  Barrett
- **Public source rows linked:** 517
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Benjamin J  Barrett (0191341) → Barrett Materials Inc (L30752) → Plant #3 (2301765)**

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

## Controller and operator valid-time history

- **William  Staggenborg → Big Spring Quarries:** 1979-01-01 through 1981-08-30; derived from co-tenure at mine 2301765; source `msha-controller-operator-history`.
- **Mertens Construction Company Inc → Mid-Missouri Limestone, Inc:** 1981-08-31 through 2018-01-25; derived from co-tenure at mine 2301765; source `msha-controller-operator-history`.
- **Con-Agg Llc → Con-Agg Companies, LLC:** 2018-01-26 through 2010-09-14; derived from co-tenure at mine 2301765; source `msha-controller-operator-history`.
- **Summit Materials LLC → Con-Agg Companies, LLC:** 2018-01-26 through 2020-03-30; derived from co-tenure at mine 2301765; source `msha-controller-operator-history`.
- **James L  Barrett → Barrett Materials Inc:** 2020-03-31 through 2024-11-09; derived from co-tenure at mine 2301765; source `msha-controller-operator-history`.
- **Benjamin J  Barrett → Barrett Materials Inc:** 2024-11-10 through current/open; derived from co-tenure at mine 2301765; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 16
- Interval anomalies: 1
- 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 — 2 since 2021:** Accidents and injuries 2 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 15 since 2021:** Violations and penalties 64 violation rows across the full record; 18 carry an S&S flag and $10,621 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 10 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 2K employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 28 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 10 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 — 8 since 2021:** Inspections 41 inspection events and 456 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 56.14107 — 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 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 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **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 56.14108 — Overhead drive belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14108
- **30 CFR 56.14101 — Brakes.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.14131 — Seat belts for haulage trucks.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14131
- **30 CFR 50.10 — Immediate notification.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2023-08-28 through 2026-02-03; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-11-18 through 2015-11-18; source ID `msha-addresses`
- **Assessed Violations:** 64 rows; 2000-03-08 through 2025-10-14; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2012-10-18 through 2016-06-02; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 10 rows; 2000-05-01 through 2020-12-14; source ID `msha-conferences`
- **Contested Violations:** 9 rows; 2012-01-04 through 2015-07-23; source ID `msha-contested-violations`
- **Controller and Operator History:** 6 rows; 1979-01-01 through 2020-03-31; source ID `msha-controller-operator-history`
- **Inspections:** 41 rows; 2000-03-08 through 2025-10-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 243 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 57 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:** 10 rows; 2007-05-09 through 2025-03-25; source ID `msha-personal-health-samples`
- **Violations:** 64 rows; 2000-03-08 through 2025-10-14; 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/plant-3-2301765`
- JSON: `/api/v1/mines/plant-3-2301765`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2301765/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2301765/relationships`
- MCP resource: `mine://2301765/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`