# North Birmingham Quarry

- **MSHA mine ID:** 0103346
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Jefferson, AL
- **Operator:** Vulcan Constr. Materials, L.P.
- **Controller:** Vulcan Materials Company
- **Public source rows linked:** 1,537
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Vulcan Materials Company (0071891) → Vulcan Constr. Materials, L.P. (L16168) → North Birmingham Quarry (0103346)**

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

## Controller and operator valid-time history

- **Lafarge S A → Lafarge Aggregates Southeast Inc:** 2006-07-13 through 2011-04-20; derived from co-tenure at mine 0103346; source `msha-controller-operator-history`.
- **Lafarge S A → Lafarge Building Materials Inc:** 2011-04-21 through 2011-10-02; derived from co-tenure at mine 0103346; source `msha-controller-operator-history`.
- **Vulcan Materials Company → Vulcan Constr. Materials, L.P.:** 2011-10-03 through current/open; derived from co-tenure at mine 0103346; source `msha-controller-operator-history`.
- **Legacy Vulcan Corp (Form:Vulcan Materials Co) → Vulcan Constr. Materials, L.P.:** 2011-10-03 through 2007-11-15; derived from co-tenure at mine 0103346; source `msha-controller-operator-history`.
- **Holcim Ltd → Lafarge Building Materials Inc:** 2015-07-10 through 2011-10-02; derived from co-tenure at mine 0103346; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 13
- Interval anomalies: 2
- 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 2 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 40 violation rows across the full record; 13 carry an S&S flag and $7,540 appears in current assessed amounts.
3. **HEALTH — 0 samples:** Occupational health samples No published samples. 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 54 employee hours and 2 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 — 0 since 2021:** Inspections 15 inspection events and 255 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 56.12028 — 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 56.14112 — 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 56.12018 — 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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **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 56.11001 — 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 46.7 — New task training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7
- **30 CFR 58.620 — Drill dust control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-58/subpart-E/section-58.620
- **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 56.3200 — 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 56.14100 — 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2007-08-02 through 2010-04-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-01-23 through 2013-01-23; source ID `msha-addresses`
- **Assessed Violations:** 40 rows; 2006-12-27 through 2012-10-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2007-08-24 through 2007-08-24; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 1 rows; 2007-01-08 through 2007-01-08; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,094 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 240 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 2006-07-13 through 2011-10-03; source ID `msha-controller-operator-history`
- **Inspections:** 15 rows; 2006-12-27 through 2012-10-15; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 76 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 21 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 40 rows; 2006-12-27 through 2012-10-16; 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/north-birmingham-quarry-0103346`
- JSON: `/api/v1/mines/north-birmingham-quarry-0103346`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0103346/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0103346/relationships`
- MCP resource: `mine://0103346/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
