# Eldorado

- **MSHA mine ID:** 2602552
- **Status:** Active
- **Type / commodity:** Surface / Crushed, Broken Stone NEC
- **Location:** Clark, NV
- **Operator:** Desert Deco Rock Inc
- **Controller:** Elizabeth M  Smith; Ira J  Smith
- **Public source rows linked:** 762
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Elizabeth M  Smith; Ira J  Smith (0043061) → Desert Deco Rock Inc (0132893) → Eldorado (2602552)**

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

## Controller and operator valid-time history

- **Jeff E  Fromm → Fromm Construction:** 2004-12-15 through 2005-11-21; derived from co-tenure at mine 2602552; source `msha-controller-operator-history`.
- **Andrew J  Farley → Rock Eagle LLC:** 2005-11-22 through 2007-05-02; derived from co-tenure at mine 2602552; source `msha-controller-operator-history`.
- **Elizabeth M  Smith  et al → Crescent Peak Quarries LLC:** 2007-05-03 through 2014-03-16; derived from co-tenure at mine 2602552; source `msha-controller-operator-history`.
- **Ira J  Smith  et al → Crescent Peak Quarries LLC:** 2007-05-03 through 2014-03-16; derived from co-tenure at mine 2602552; source `msha-controller-operator-history`.
- **Ira J  Smith  et al → Desert Deco Rock Inc:** 2014-03-17 through current/open; derived from co-tenure at mine 2602552; source `msha-controller-operator-history`.
- **Elizabeth M  Smith  et al → Desert Deco Rock Inc:** 2014-03-17 through current/open; derived from co-tenure at mine 2602552; source `msha-controller-operator-history`.

- History rows: 6
- Typed edges: 14
- 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 1 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 43 since 2021:** Violations and penalties 174 violation rows across the full record; 51 carry an S&S flag and $61,737 appears in current assessed amounts.
3. **HEALTH — 10 samples:** Occupational health samples 9 personal; 1 area. 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 1K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 30 linked rows:** Contests, conferences and decisions 13 contested-violation rows, 13 civil-penalty docket/decision rows, and 4 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 — 19 since 2021:** Inspections 70 inspection events and 801 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 56.16005 — Securing gas cylinders.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005
- **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 56.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011
- **30 CFR 56.15002 — Hard hats.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15002
- **30 CFR 56.11002 — Handrails and toeboards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002
- **30 CFR 56.3131 — Pit or quarry wall perimeter.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3131
- **30 CFR 56.9300 — Berms or guardrails.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 56.4430 — Storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4430
- **30 CFR 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **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 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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2009-07-05 through 2009-07-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2012-02-07 through 2012-02-07; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 1 rows; 2017-07-31 through 2017-07-31; source ID `msha-area-samples`
- **Assessed Violations:** 172 rows; 2005-02-15 through 2026-06-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 13 rows; 2011-03-25 through 2011-07-02; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 4 rows; 2021-09-19 through 2024-03-26; source ID `msha-conferences`
- **Contested Violations:** 13 rows; 2008-07-30 through 2010-08-25; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 103 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 27 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 6 rows; 2004-12-15 through 2014-03-17; source ID `msha-controller-operator-history`
- **Inspections:** 70 rows; 2005-02-14 through 2026-06-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 144 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 23 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:** 9 rows; 2005-06-13 through 2025-03-25; source ID `msha-personal-health-samples`
- **Violations:** 174 rows; 2005-02-15 through 2026-06-11; 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/eldorado-2602552`
- JSON: `/api/v1/mines/eldorado-2602552`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2602552/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2602552/relationships`
- MCP resource: `mine://2602552/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`