# Sparta Quarry

- **MSHA mine ID:** 0901033
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Granite
- **Location:** Hancock, GA
- **Operator:** Heidelberg Materials Southeast Agg., LLC
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 1,280
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → Heidelberg Materials Southeast Agg., LLC (L16897) → Sparta Quarry (0901033)**

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

## Controller and operator valid-time history

- **W S  Bumgarner → Hancock Aggregate Corp:** 1988-09-01 through 1991-04-17; derived from co-tenure at mine 0901033; source `msha-controller-operator-history`.
- **Holloway Materials Inc → Hancock County Materials:** 1991-04-18 through 1994-07-26; derived from co-tenure at mine 0901033; source `msha-controller-operator-history`.
- **Hanson PLC → Heidelberg Materials Southeast Agg., LLC:** 1994-07-27 through 2007-08-22; derived from co-tenure at mine 0901033; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Southeast Agg., LLC:** 2007-08-23 through current/open; derived from co-tenure at mine 0901033; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 — 4 since 2021:** Accidents and injuries 7 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 102 violation rows across the full record; 14 carry an S&S flag and $17,170 appears in current assessed amounts.
3. **HEALTH — 27 samples:** Occupational health samples 27 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 10K employee hours and 17 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 21 linked rows:** Contests, conferences and decisions 9 contested-violation rows, 9 civil-penalty docket/decision rows, and 3 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 — 16 since 2021:** Inspections 68 inspection events and 988 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 46.9 — Records of training.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9
- **30 CFR 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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 56.12021 — Danger signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12021
- **30 CFR 56.12004 — Electrical conductors.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **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
- **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 56.14103 — Operators stations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103

## Source coverage

- **Accident, Injuries, and Illnesses:** 7 rows; 2005-06-07 through 2026-07-15; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1991-04-18 through 1991-04-18; source ID `msha-addresses`
- **Assessed Violations:** 102 rows; 2002-01-24 through 2026-05-21; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 9 rows; 2011-05-17 through 2011-07-02; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 3 rows; 2005-08-22 through 2007-07-13; source ID `msha-conferences`
- **Contested Violations:** 9 rows; 2008-09-02 through 2010-05-26; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 439 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 109 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1988-09-01 through 1994-07-27; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-11-01 through 2026-09-29; 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:** 27 rows; 2002-06-20 through 2022-08-18; source ID `msha-personal-health-samples`
- **Violations:** 102 rows; 2002-01-24 through 2026-05-21; 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/sparta-quarry-0901033`
- JSON: `/api/v1/mines/sparta-quarry-0901033`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0901033/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0901033/relationships`
- MCP resource: `mine://0901033/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`