# Cookeville Quarry

- **MSHA mine ID:** 4000080
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Putnam, TN
- **Operator:** Rogers Group Inc.
- **Controller:** Rogers Group Inc
- **Public source rows linked:** 1,498
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rogers Group Inc (M00452) → Rogers Group Inc. (L06514) → Cookeville Quarry (4000080)**

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

## Controller and operator valid-time history

- **Putnam County-Tn → Putnam County Highway Department:** 1950-01-01 through 2004-11-28; derived from co-tenure at mine 4000080; source `msha-controller-operator-history`.
- **Don O  Johnson  et al → Cookeville Limestone LLC:** 2004-11-29 through 2013-08-01; derived from co-tenure at mine 4000080; source `msha-controller-operator-history`.
- **Bruce  Mc Cormick  et al → Cookeville Limestone LLC:** 2004-11-29 through 2013-08-01; derived from co-tenure at mine 4000080; source `msha-controller-operator-history`.
- **Rogers Group Inc → Rogers Group Inc.:** 2013-08-02 through current/open; derived from co-tenure at mine 4000080; 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 — 0 since 2021:** Accidents and injuries 8 historical accident/injury rows; 0 coded fatalities and 110 lost days across the published record.
2. **COMPLIANCE — 6 since 2021:** Violations and penalties 72 violation rows across the full record; 19 carry an S&S flag and $27,443 appears in current assessed amounts.
3. **HEALTH — 30 samples:** Occupational health samples 30 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 5K employee hours and 10 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 22 linked rows:** Contests, conferences and decisions 8 contested-violation rows, 8 civil-penalty docket/decision rows, and 6 conference records linked by issuance number.
6. **CONTRACTORS — 4 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 — 22 since 2021:** Inspections 77 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 56.12001 — Circuit overload protection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12001
- **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 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **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 62.120 — Action level.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120
- **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
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 8 rows; 2002-09-19 through 2018-12-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2004-11-29 through 2004-11-29; source ID `msha-addresses`
- **Assessed Violations:** 72 rows; 2000-02-01 through 2024-05-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 8 rows; 2011-02-28 through 2013-12-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2011-02-28 through 2011-07-25; source ID `msha-conferences`
- **Contested Violations:** 8 rows; 2010-02-02 through 2011-04-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 691 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 147 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 2013-08-02; source ID `msha-controller-operator-history`
- **Inspections:** 77 rows; 2000-01-18 through 2026-09-14; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 303 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 70 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:** 30 rows; 2002-02-06 through 2026-03-24; source ID `msha-personal-health-samples`
- **Violations:** 72 rows; 2000-02-01 through 2024-05-29; 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/cookeville-quarry-4000080`
- JSON: `/api/v1/mines/cookeville-quarry-4000080`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4000080/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4000080/relationships`
- MCP resource: `mine://4000080/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`