# Table Rock Quarry #1

- **MSHA mine ID:** 2301836
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Taney, MO
- **Operator:** Table Rock Asphalt Construction Company
- **Controller:** Bob R  Simmons
- **Public source rows linked:** 1,170
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Bob R  Simmons (M00320) → Table Rock Asphalt Construction Company (L00386) → Table Rock Quarry #1 (2301836)**

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

## Controller and operator valid-time history

- **Bob R  Simmons → Table Rock Asphalt Construction Company:** 1981-01-01 through current/open; derived from co-tenure at mine 2301836; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 1 since 2021:** Accidents and injuries 9 historical accident/injury rows; 0 coded fatalities and 1 lost days across the published record.
2. **COMPLIANCE — 25 since 2021:** Violations and penalties 164 violation rows across the full record; 35 carry an S&S flag and $31,064 appears in current assessed amounts.
3. **HEALTH — 149 samples:** Occupational health samples 140 personal; 9 area. 24 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 8K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 112 linked rows:** Contests, conferences and decisions 25 contested-violation rows, 55 civil-penalty docket/decision rows, and 32 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 — 15 since 2021:** Inspections 110 inspection events and 2K 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 56.3200 — Correction of hazardous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200
- **30 CFR 46.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 56.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002
- **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 56.12032 — 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 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 56.14112 — 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 56.14209 — Safety procedures for towing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14209

## Source coverage

- **Accident, Injuries, and Illnesses:** 9 rows; 2000-08-31 through 2026-09-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-12-11 through 2013-12-11; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 9 rows; 2008-12-03 through 2011-06-01; source ID `msha-area-samples`
- **Assessed Violations:** 164 rows; 2000-04-11 through 2026-07-01; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 55 rows; 2000-05-05 through 2023-02-06; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 32 rows; 2000-04-21 through 2021-08-09; source ID `msha-conferences`
- **Contested Violations:** 25 rows; 2008-04-29 through 2021-05-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 49 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 22 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 1981-01-01 through 1981-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 110 rows; 2000-01-20 through 2026-07-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 316 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 72 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:** 140 rows; 2001-03-21 through 2026-07-01; source ID `msha-personal-health-samples`
- **Violations:** 164 rows; 2000-04-11 through 2026-07-01; 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/table-rock-quarry-1-2301836`
- JSON: `/api/v1/mines/table-rock-quarry-1-2301836`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2301836/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2301836/relationships`
- MCP resource: `mine://2301836/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`