# Crandall Canyon Mine

- **MSHA mine ID:** 4201715
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Emery, UT
- **Operator:** Genwal Resources Inc
- **Controller:** Robert E  Murray
- **Public source rows linked:** 4,723
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Robert E  Murray (C13408) → Genwal Resources Inc (P23044) → Crandall Canyon Mine (4201715)**

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

## Controller and operator valid-time history

- **Charles H  Gent → Genwal Coal Company Inc:** 1981-01-01 through 1988-12-31; derived from co-tenure at mine 4201715; source `msha-controller-operator-history`.
- **NV Energy dba Nevada Power Company → Genwal Coal Company Inc:** 1989-01-01 through 1995-01-11; derived from co-tenure at mine 4201715; source `msha-controller-operator-history`.
- **Andalex Resources B V → Genwal Resources Inc:** 1995-01-12 through 2006-08-08; derived from co-tenure at mine 4201715; source `msha-controller-operator-history`.
- **Robert E  Murray → Genwal Resources Inc:** 2006-08-09 through current/open; derived from co-tenure at mine 4201715; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 11
- 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 73 historical accident/injury rows; 9 coded fatalities and 3,428 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 699 violation rows across the full record; 229 carry an S&S flag and $1,303,481 appears in current assessed amounts.
3. **HEALTH — 1K samples:** Occupational health samples 1,097 coal dust; 60 coal quartz; 106 noise. 0 personal-sample rows have a published C/E ratio above 1; 15 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 — 888K tons:** Quarterly production and employment 44K employee hours and 84 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 167 linked rows:** Contests, conferences and decisions 49 contested-violation rows, 47 civil-penalty docket/decision rows, and 71 conference records linked by issuance number.
6. **CONTRACTORS — 8 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 — 0 since 2021:** Inspections 141 inspection events and 14K 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 75.203 — Mining methods.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.203
- **30 CFR 75.223 — Evaluation and revision of roof control plan.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.223
- **30 CFR 50.10 — Immediate notification.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10
- **30 CFR 75.220 — Roof control plan.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.220
- **30 CFR 75.364 — Weekly examination.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.364

## Source coverage

- **Accident, Injuries, and Illnesses:** 73 rows; 2000-01-20 through 2007-08-16; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2008-03-19 through 2008-03-19; source ID `msha-addresses`
- **Assessed Violations:** 690 rows; 2000-01-08 through 2008-07-24; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 47 rows; 2005-07-13 through 2013-09-23; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 1,097 rows; 2000-01-08 through 2007-07-30; source ID `msha-coal-dust-samples`
- **Conferences:** 71 rows; 2000-10-19 through 2008-03-25; source ID `msha-conferences`
- **Contested Violations:** 49 rows; 2003-05-29 through 2008-10-29; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,340 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 281 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1981-01-01 through 1995-01-12; source ID `msha-controller-operator-history`
- **Inspections:** 141 rows; 2000-01-04 through 2008-07-08; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 37 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 26 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 106 rows; 2001-02-01 through 2006-03-29; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 60 rows; 2000-02-10 through 2007-01-11; source ID `msha-quartz-samples`
- **Violations:** 699 rows; 2000-01-08 through 2008-07-24; 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/crandall-canyon-mine-4201715`
- JSON: `/api/v1/mines/crandall-canyon-mine-4201715`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4201715/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4201715/relationships`
- MCP resource: `mine://4201715/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`