# Higgins Quarry, LLC

- **MSHA mine ID:** 2302016
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Osage, MO
- **Operator:** Higgins Quarry LLC
- **Controller:** William K  Higgins
- **Public source rows linked:** 804
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**William K  Higgins (0080557) → Higgins Quarry LLC (0095607) → Higgins Quarry, LLC (2302016)**

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

## Controller and operator valid-time history

- **Gregory J Muenks et al → Muenks Brothers Quarries Inc:** 1990-02-01 through 2008-08-24; derived from co-tenure at mine 2302016; source `msha-controller-operator-history`.
- **William K  Higgins → Higgins Quarry LLC:** 2008-08-25 through current/open; derived from co-tenure at mine 2302016; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 4 lost days across the published record.
2. **COMPLIANCE — 25 since 2021:** Violations and penalties 137 violation rows across the full record; 35 carry an S&S flag and $26,757 appears in current assessed amounts.
3. **HEALTH — 42 samples:** Occupational health samples 42 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 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 36 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 18 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 17 since 2021:** Inspections 86 inspection events and 1K 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 56.6102 — Explosive material storage practices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6102
- **30 CFR 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **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 56.14132 — 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 56.14107 — 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 56.4602 — Gauges and regulators.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4602
- **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 56.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2004-08-18 through 2007-09-21; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2010-04-02 through 2010-04-02; source ID `msha-addresses`
- **Assessed Violations:** 137 rows; 2000-08-09 through 2026-04-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 18 rows; 2001-04-16 through 2020-10-21; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2001-09-10 through 2005-04-10; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2011-04-04 through 2020-05-12; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 207 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 53 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1990-02-01 through 2008-08-25; source ID `msha-controller-operator-history`
- **Inspections:** 86 rows; 2000-08-09 through 2026-04-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 35 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 64 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:** 42 rows; 2000-08-10 through 2025-08-06; source ID `msha-personal-health-samples`
- **Violations:** 137 rows; 2000-08-09 through 2026-04-01; 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/higgins-quarry-llc-2302016`
- JSON: `/api/v1/mines/higgins-quarry-llc-2302016`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2302016/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2302016/relationships`
- MCP resource: `mine://2302016/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`