# CHESAPEAKE QUARRY

- **MSHA mine ID:** 2300252
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Lawrence, MO
- **Operator:** Bailey Quarries Inc
- **Controller:** David E  Bailey
- **Public source rows linked:** 1,126
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**David E  Bailey (M01718) → Bailey Quarries Inc (L08018) → CHESAPEAKE QUARRY (2300252)**

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

## Controller and operator valid-time history

- **John F  Griesemer et al → Griesemer Stone Company:** 1950-01-01 through 1979-09-12; derived from co-tenure at mine 2300252; source `msha-controller-operator-history`.
- **Louis A  Griesemer et al → Griesemer Stone Company:** 1950-01-01 through 1979-09-12; derived from co-tenure at mine 2300252; source `msha-controller-operator-history`.
- **Tom  Ottendorf → Ottendorf Stone Inc:** 1979-09-13 through 1985-04-02; derived from co-tenure at mine 2300252; source `msha-controller-operator-history`.
- **David E  Bailey  et al → Bailey Quarries Inc:** 1985-04-03 through current/open; derived from co-tenure at mine 2300252; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 10
- 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 — 2 since 2021:** Accidents and injuries 6 historical accident/injury rows; 0 coded fatalities and 217 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 116 violation rows across the full record; 28 carry an S&S flag and $15,491 appears in current assessed amounts.
3. **HEALTH — 57 samples:** Occupational health samples 57 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 9K employee hours and 15 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 59 linked rows:** Contests, conferences and decisions 8 contested-violation rows, 16 civil-penalty docket/decision rows, and 35 conference records linked by issuance number.
6. **CONTRACTORS — 3 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 — 13 since 2021:** Inspections 71 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 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **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 56.12018 — 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 56.15003 — Protective footwear.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15003
- **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 56.16002 — Bins, hoppers, silos, tanks, and surge piles.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16002
- **30 CFR 56.14103 — Operators stations.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103
- **30 CFR 56.4102 — Spillage and leakage.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4102

## Source coverage

- **Accident, Injuries, and Illnesses:** 6 rows; 2001-04-13 through 2023-06-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1979-09-13 through 1979-09-13; source ID `msha-addresses`
- **Assessed Violations:** 113 rows; 2000-09-13 through 2025-11-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 16 rows; 2002-09-16 through 2022-08-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 35 rows; 2000-10-12 through 2013-05-23; source ID `msha-conferences`
- **Contested Violations:** 8 rows; 2005-11-08 through 2022-02-01; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 246 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:** 4 rows; 1950-01-01 through 1985-04-03; source ID `msha-controller-operator-history`
- **Inspections:** 71 rows; 2000-09-13 through 2026-06-23; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 318 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 57 rows; 2001-07-25 through 2026-06-24; source ID `msha-personal-health-samples`
- **Violations:** 116 rows; 2000-09-13 through 2025-11-12; 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/chesapeake-quarry-2300252`
- JSON: `/api/v1/mines/chesapeake-quarry-2300252`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2300252/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2300252/relationships`
- MCP resource: `mine://2300252/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`