# Lightle Sand Pit

- **MSHA mine ID:** 3400527
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Kingfisher, OK
- **Operator:** Lightle Sand & Construction LLC
- **Controller:** David L  Dollar
- **Public source rows linked:** 589
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**David L  Dollar (0128261) → Lightle Sand & Construction LLC (0146953) → Lightle Sand Pit (3400527)**

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

## Controller and operator valid-time history

- **Anna  Lightle → Lightle Sand Company:** 1950-01-01 through 2016-08-30; derived from co-tenure at mine 3400527; source `msha-controller-operator-history`.
- **David L  Dollar et al → Lightle Sand & Construction LLC:** 2016-08-31 through current/open; derived from co-tenure at mine 3400527; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- 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: 2026-10-17T05:35:58.500035+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 — 10 since 2021:** Violations and penalties 127 violation rows across the full record; 36 carry an S&S flag and $32,738 appears in current assessed amounts.
3. **HEALTH — 6 samples:** Occupational health samples 6 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 2K employee hours and 5 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 2 civil-penalty docket/decision rows, and 1 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 — 11 since 2021:** Inspections 78 inspection events and 742 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 56.14132 — Horns and backup alarms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132
- **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 56.9300 — 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 56.14107 — Moving machine parts.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.17001 — Illumination of surface working areas.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-P/section-56.17001
- **30 CFR 56.12023 — Guarding electrical connections and resistor grids.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023
- **30 CFR 46.8 — Annual refresher training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8
- **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 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 2 rows; 2016-01-14 through 2019-12-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1976-08-03 through 1976-08-03; source ID `msha-addresses`
- **Assessed Violations:** 126 rows; 2000-08-29 through 2026-06-02; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2004-05-13 through 2004-05-13; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 1 rows; 2016-06-30 through 2016-06-30; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 122 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 42 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1950-01-01 through 2016-08-31; source ID `msha-controller-operator-history`
- **Inspections:** 78 rows; 2000-04-13 through 2026-06-02; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 24 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 55 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:** 6 rows; 2012-10-04 through 2022-08-24; source ID `msha-personal-health-samples`
- **Violations:** 127 rows; 2000-08-29 through 2026-06-02; 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/lightle-sand-pit-3400527`
- JSON: `/api/v1/mines/lightle-sand-pit-3400527`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3400527/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3400527/relationships`
- MCP resource: `mine://3400527/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
