# Dolet Hills Lignite Company

- **MSHA mine ID:** 1601031
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Lignite)
- **Location:** De Soto, LA
- **Operator:** Dolet Hills Lignite Company LLC
- **Controller:** American Electric Power Company Inc
- **Public source rows linked:** 7,215
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**American Electric Power Company Inc (C00329) → Dolet Hills Lignite Company LLC (P24641) → Dolet Hills Lignite Company (1601031)**

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

## Controller and operator valid-time history

- **Philipp Holzmann AG → Dolet Hills Mining Venture:** 1983-02-01 through 2001-05-14; derived from co-tenure at mine 1601031; source `msha-controller-operator-history`.
- **American Electric Power Company Inc → Dolet Hills Lignite Company LLC:** 2001-05-15 through current/open; derived from co-tenure at mine 1601031; 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 — 3 since 2021:** Accidents and injuries 130 historical accident/injury rows; 1 coded fatalities and 3,116 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 480 violation rows across the full record; 105 carry an S&S flag and $264,156 appears in current assessed amounts.
3. **HEALTH — 543 samples:** Occupational health samples 368 coal dust; 8 coal quartz; 167 noise. 0 personal-sample rows have a published C/E ratio above 1; 19 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 — 929K tons:** Quarterly production and employment 88K employee hours and 176 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 56 linked rows:** Contests, conferences and decisions 30 contested-violation rows, 23 civil-penalty docket/decision rows, and 3 conference records linked by issuance number.
6. **CONTRACTORS — 37 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 — 12 since 2021:** Inspections 137 inspection events and 10K 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 77.404 — Machinery and equipment; operation and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **30 CFR 77.502-2 — Electric equipment; frequency of examination and testing.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2
- **30 CFR 77.701-1 — Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-H/section-77.701-1
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 77.1607 — Loading and haulage equipment; operation.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1607
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.1103 — Flammable liquids; storage.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103

## Source coverage

- **Accident, Injuries, and Illnesses:** 130 rows; 2000-05-20 through 2023-06-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-10-01 through 2023-10-01; source ID `msha-addresses`
- **Assessed Violations:** 478 rows; 2000-01-25 through 2022-06-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 23 rows; 2008-10-21 through 2014-05-30; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 368 rows; 2000-01-25 through 2022-07-06; source ID `msha-coal-dust-samples`
- **Conferences:** 3 rows; 2005-02-01 through 2007-05-17; source ID `msha-conferences`
- **Contested Violations:** 30 rows; 2007-05-25 through 2013-02-19; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 4,313 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,002 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 1983-02-01 through 2001-05-15; source ID `msha-controller-operator-history`
- **Inspections:** 137 rows; 2000-01-21 through 2023-09-07; 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:** 48 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 167 rows; 2000-01-25 through 2021-07-27; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 8 rows; 2001-05-23 through 2020-01-15; source ID `msha-quartz-samples`
- **Violations:** 480 rows; 2000-01-25 through 2022-06-16; 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/dolet-hills-lignite-company-1601031`
- JSON: `/api/v1/mines/dolet-hills-lignite-company-1601031`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1601031/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1601031/relationships`
- MCP resource: `mine://1601031/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`