# Plant #4

- **MSHA mine ID:** 1001900
- **Status:** Active
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Nez Perce, ID
- **Operator:** DeAtley Crushing Co
- **Controller:** Eucon Corporation
- **Public source rows linked:** 651
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Eucon Corporation (M02119) → DeAtley Crushing Co (L15789) → Plant #4 (1001900)**

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

## Controller and operator valid-time history

- **Eucon Corporation → DeAtley Crushing Co:** 1994-04-01 through 2009-01-27; derived from co-tenure at mine 1001900; source `msha-controller-operator-history`.
- **Brien  DeAtley → DeAtley Crushing Co:** 2009-01-28 through 2009-12-31; derived from co-tenure at mine 1001900; source `msha-controller-operator-history`.
- **Eucon Corporation → DeAtley Crushing Co:** 2010-01-01 through current/open; derived from co-tenure at mine 1001900; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 7
- 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 5 historical accident/injury rows; 0 coded fatalities and 2 lost days across the published record.
2. **COMPLIANCE — 11 since 2021:** Violations and penalties 110 violation rows across the full record; 26 carry an S&S flag and $29,281 appears in current assessed amounts.
3. **HEALTH — 26 samples:** Occupational health samples 26 personal. 1 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 6K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 31 linked rows:** Contests, conferences and decisions 11 contested-violation rows, 12 civil-penalty docket/decision rows, and 8 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 — 13 since 2021:** Inspections 57 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 56.4201 — 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 56.14132 — 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 56.4402 — Safety can use.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.9100 — Traffic control.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9100
- **30 CFR 56.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004
- **30 CFR 56.14130 — Roll-over protective structures (ROPS) and seat belts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130
- **30 CFR 56.11027 — Scaffolds and working platforms.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11027

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2001-02-21 through 2025-03-22; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1994-05-13 through 1994-05-13; source ID `msha-addresses`
- **Assessed Violations:** 109 rows; 2000-01-19 through 2026-05-04; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 12 rows; 2004-03-19 through 2022-05-23; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 8 rows; 2001-03-08 through 2003-05-02; source ID `msha-conferences`
- **Contested Violations:** 11 rows; 2009-07-07 through 2021-11-30; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 218 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 50 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1994-04-01 through 1994-04-01; source ID `msha-controller-operator-history`
- **Inspections:** 57 rows; 2000-01-19 through 2026-05-04; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 13 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:** 26 rows; 2001-01-08 through 2019-04-03; source ID `msha-personal-health-samples`
- **Violations:** 110 rows; 2000-01-19 through 2026-05-04; 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/plant-4-1001900`
- JSON: `/api/v1/mines/plant-4-1001900`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1001900/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1001900/relationships`
- MCP resource: `mine://1001900/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`