# Delhi Quarry

- **MSHA mine ID:** 4105018
- **Status:** Abandoned
- **Type / commodity:** Surface / Crushed, Broken Limestone NEC
- **Location:** Reagan, TX
- **Operator:** South Texas Aggregates, Inc.
- **Controller:** William Clay  Coleman
- **Public source rows linked:** 254
- **Source coverage:** 12 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**William Clay  Coleman (M03834) → South Texas Aggregates, Inc. (L04746) → Delhi Quarry (4105018)**

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

## Controller and operator valid-time history

- **William Clay  Coleman → South Texas Aggregates, Inc.:** 2013-06-12 through current/open; derived from co-tenure at mine 4105018; 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 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 9 since 2021:** Violations and penalties 43 violation rows across the full record; 8 carry an S&S flag and $9,708 appears in current assessed amounts.
3. **HEALTH — 1 samples:** Occupational health samples 1 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 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 3 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 0 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 — 10 since 2021:** Inspections 27 inspection events and 243 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.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14132 — Horns and backup alarms.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.14107 — 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 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 56.18002 — Examination of working places.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **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 56.11005 — Fixed ladder anchorage and toe clearance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11005

## Source coverage

- **Addresses of Record:** 1 rows; 2026-09-10 through 2026-09-10; source ID `msha-addresses`
- **Assessed Violations:** 43 rows; 2013-07-30 through 2024-01-23; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2017-09-14 through 2018-01-31; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2013-08-12 through 2016-10-06; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2016-12-22 through 2017-07-19; source ID `msha-contested-violations`
- **Controller and Operator History:** 1 rows; 2013-06-12 through 2013-06-12; source ID `msha-controller-operator-history`
- **Inspections:** 27 rows; 2013-07-30 through 2026-09-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 102 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 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:** 1 rows; 2013-07-30 through 2013-07-30; source ID `msha-personal-health-samples`
- **Violations:** 43 rows; 2013-07-30 through 2024-01-23; 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/delhi-quarry-4105018`
- JSON: `/api/v1/mines/delhi-quarry-4105018`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4105018/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4105018/relationships`
- MCP resource: `mine://4105018/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`