# Kiewit Mine

- **MSHA mine ID:** 4202560
- **Status:** Active
- **Type / commodity:** Surface / Gold Ore
- **Location:** Tooele, UT
- **Operator:** Desert Hawk Gold Corp
- **Controller:** Rick  Havenstrite
- **Public source rows linked:** 508
- **Source coverage:** 10 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Rick  Havenstrite (0097873) → Desert Hawk Gold Corp (0115465) → Kiewit Mine (4202560)**

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

## Controller and operator valid-time history

- **Rick  Havenstrite → Desert Hawk Gold Corp:** 2010-10-18 through current/open; derived from co-tenure at mine 4202560; 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 — 2 since 2021:** Accidents and injuries 13 historical accident/injury rows; 0 coded fatalities and 39 lost days across the published record.
2. **COMPLIANCE — 92 since 2021:** Violations and penalties 125 violation rows across the full record; 29 carry an S&S flag and $59,611 appears in current assessed amounts.
3. **HEALTH — 17 samples:** Occupational health samples 17 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 9K employee hours and 21 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 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 — 19 since 2021:** Inspections 32 inspection events and 852 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 56.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **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 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **30 CFR 48.31 — Hazard training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.31
- **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 56.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200
- **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 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 47.31 — Requirement for a HazCom program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-D/section-47.31
- **30 CFR 56.11012 — Protection for openings around travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012
- **30 CFR 56.15001 — First-aid materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15001

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2014-12-24 through 2026-03-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-11-04 through 2020-11-04; source ID `msha-addresses`
- **Assessed Violations:** 124 rows; 2011-07-26 through 2026-05-06; source ID `msha-assessed-violations`
- **Controller and Operator History:** 1 rows; 2010-10-18 through 2010-10-18; source ID `msha-controller-operator-history`
- **Inspections:** 32 rows; 2011-07-25 through 2026-10-06; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 154 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 40 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:** 17 rows; 2011-07-27 through 2026-05-13; source ID `msha-personal-health-samples`
- **Violations:** 125 rows; 2011-07-26 through 2026-08-25; 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/kiewit-mine-4202560`
- JSON: `/api/v1/mines/kiewit-mine-4202560`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4202560/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4202560/relationships`
- MCP resource: `mine://4202560/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`