# Elk Mountain Mine

- **MSHA mine ID:** 4801694
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Carbon, WY
- **Operator:** Arch of Wyoming LLC
- **Controller:** Arch Resources Inc
- **Public source rows linked:** 1,098
- **Source coverage:** 17 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Arch Resources Inc (C15561) → Arch of Wyoming LLC (P17880) → Elk Mountain Mine (4801694)**

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

## Controller and operator valid-time history

- **Ashland Inc et al → Arch of Wyoming LLC:** 2006-04-05 through 2006-04-04; derived from co-tenure at mine 4801694; source `msha-controller-operator-history`.
- **Arch Resources Inc → Arch of Wyoming LLC:** 2006-04-05 through current/open; derived from co-tenure at mine 4801694; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 5
- Interval anomalies: 1
- 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 — 0 since 2021:** Violations and penalties 47 violation rows across the full record; 10 carry an S&S flag and $10,081 appears in current assessed amounts.
3. **HEALTH — 87 samples:** Occupational health samples 51 coal dust; 7 coal quartz; 29 noise. 0 personal-sample rows have a published C/E ratio above 1; 1 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 468 employee hours and 8 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 14 linked rows:** Contests, conferences and decisions 6 contested-violation rows, 6 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 6 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 27 inspection events and 974 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 77.513 — Insulating mats at power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.513
- **30 CFR 77.1102 — Warning signs; smoking and open flame.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1102
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **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 77.404 — Machinery and equipment; operation and maintenance.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2008-09-09 through 2008-09-09; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-05-18 through 2015-05-18; source ID `msha-addresses`
- **Assessed Violations:** 45 rows; 2006-09-21 through 2014-10-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 6 rows; 2009-01-30 through 2015-06-26; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 51 rows; 2008-03-11 through 2011-08-16; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2008-02-04 through 2008-02-04; source ID `msha-conferences`
- **Contested Violations:** 6 rows; 2008-01-09 through 2014-10-29; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 617 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 148 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 2 rows; 2006-04-05 through 2006-04-05; source ID `msha-controller-operator-history`
- **Inspections:** 27 rows; 2006-06-21 through 2015-02-10; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 98 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 10 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 29 rows; 2008-03-11 through 2010-10-13; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 7 rows; 2010-04-20 through 2010-06-15; source ID `msha-quartz-samples`
- **Violations:** 47 rows; 2006-09-21 through 2014-10-29; 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/elk-mountain-mine-4801694`
- JSON: `/api/v1/mines/elk-mountain-mine-4801694`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/4801694/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/4801694/relationships`
- MCP resource: `mine://4801694/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`