# WHITNEY

- **MSHA mine ID:** 4103217
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Bosque, TX
- **Operator:** Heidelberg Materials Southwest LLC
- **Controller:** Heidelberg Materials AG
- **Public source rows linked:** 633
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Heidelberg Materials AG (M00004) → Heidelberg Materials Southwest LLC (0174514) → WHITNEY (4103217)**

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

## Controller and operator valid-time history

- **John R  Marriott et al → Whitney Sand & Gravel Inc:** 1984-02-01 through 1986-08-13; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.
- **Linda  Tufts → Tufco Ready Mix Inc:** 1986-08-14 through 2000-10-09; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates Central Inc:** 2000-10-10 through 2004-05-09; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.
- **Hanson PLC → Hanson Aggregates LLC:** 2004-05-10 through 2007-08-22; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Hanson Aggregates LLC:** 2007-08-23 through 2020-12-31; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.
- **Heidelberg Materials AG → Heidelberg Materials Southwest LLC:** 2021-01-01 through current/open; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.
- **Martin Marietta Materials Inc → Hanson Aggregates LLC:** 2021-10-01 through 2020-12-31; derived from co-tenure at mine 4103217; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 19
- Interval anomalies: 1
- 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 — 1 since 2021:** Accidents and injuries 10 historical accident/injury rows; 0 coded fatalities and 118 lost days across the published record.
2. **COMPLIANCE — 31 since 2021:** Violations and penalties 98 violation rows across the full record; 11 carry an S&S flag and $12,469 appears in current assessed amounts.
3. **HEALTH — 19 samples:** Occupational health samples 19 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 8K employee hours and 14 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 9 linked rows:** Contests, conferences and decisions 4 contested-violation rows, 4 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 1 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 — 17 since 2021:** Inspections 68 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 56.14112 — Construction and maintenance of guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **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
- **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 56.12008 — Insulation and fittings for power wires and cables.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008
- **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
- **30 CFR 56.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 50.30-1 — General instructions for completing MSHA Form 7000-2.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30-1
- **30 CFR 56.4230 — Self-propelled equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4230

## Source coverage

- **Accident, Injuries, and Illnesses:** 10 rows; 2000-06-14 through 2025-01-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1990-03-22 through 1990-03-22; source ID `msha-addresses`
- **Assessed Violations:** 98 rows; 2000-06-07 through 2026-06-03; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 4 rows; 2010-05-12 through 2018-08-01; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2002-12-06 through 2002-12-06; source ID `msha-conferences`
- **Contested Violations:** 4 rows; 2009-05-13 through 2017-10-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 44 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 12 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1984-02-01 through 2021-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 68 rows; 2000-04-11 through 2026-06-22; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 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:** 19 rows; 2002-01-30 through 2021-03-31; source ID `msha-personal-health-samples`
- **Violations:** 98 rows; 2000-06-07 through 2026-06-03; 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/whitney-4103217`
- JSON: `/api/v1/mines/whitney-4103217`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4103217/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4103217/relationships`
- MCP resource: `mine://4103217/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`