# Tanner Quarry

- **MSHA mine ID:** 0103413
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Limestone, AL
- **Operator:** Rogers Group Inc
- **Controller:** Rogers Group Inc
- **Public source rows linked:** 1,094
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rogers Group Inc (M00452) → Rogers Group Inc (L06514) → Tanner Quarry (0103413)**

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

## Controller and operator valid-time history

- **Rogers Group Inc → Rogers Group Inc:** 2009-03-23 through current/open; derived from co-tenure at mine 0103413; 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 — 0 since 2021:** Accidents and injuries 3 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 7 since 2021:** Violations and penalties 60 violation rows across the full record; 13 carry an S&S flag and $9,096 appears in current assessed amounts.
3. **HEALTH — 32 samples:** Occupational health samples 32 personal. 2 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 — 10 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 6 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 — 16 since 2021:** Inspections 48 inspection events and 757 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.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.11003 — Construction and maintenance of ladders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003
- **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 56.14132 — Horns and backup alarms.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **30 CFR 56.20003 — Housekeeping.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003
- **30 CFR 46.12 — Responsibility for independent contractor training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.12
- **30 CFR 46.5 — New miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 3 rows; 2012-04-30 through 2020-07-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2011-05-01 through 2011-05-01; source ID `msha-addresses`
- **Assessed Violations:** 58 rows; 2010-11-08 through 2023-04-12; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2014-10-02 through 2016-06-17; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2013-03-14 through 2015-07-15; source ID `msha-conferences`
- **Contested Violations:** 2 rows; 2013-09-18 through 2015-06-23; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 505 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 113 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2009-03-23 through 2009-03-23; source ID `msha-controller-operator-history`
- **Inspections:** 48 rows; 2009-05-19 through 2026-07-01; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 210 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 52 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:** 32 rows; 2015-06-25 through 2024-09-24; source ID `msha-personal-health-samples`
- **Violations:** 60 rows; 2010-11-08 through 2023-04-12; 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/tanner-quarry-0103413`
- JSON: `/api/v1/mines/tanner-quarry-0103413`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0103413/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0103413/relationships`
- MCP resource: `mine://0103413/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
