# Elk Creek Surface Facilities

- **MSHA mine ID:** 0500294
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Gunnison, CO
- **Operator:** Oxbow Mining, LLC
- **Controller:** Oxbow Carbon LLC
- **Public source rows linked:** 381
- **Source coverage:** 13 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Oxbow Carbon LLC (C10334) → Oxbow Mining, LLC (P23241) → Elk Creek Surface Facilities (0500294)**

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

## Controller and operator valid-time history

- **Usx Corp → United States Steel Mining Company Inc:** 1950-01-01 through 1985-12-29; derived from co-tenure at mine 0500294; source `msha-controller-operator-history`.
- **Kaiser Steel Corp → Kaiser Coal Corp Of Somerset:** 1985-12-30 through 1989-07-13; derived from co-tenure at mine 0500294; source `msha-controller-operator-history`.
- **Oxbow Carbon LLC → Somerset Mining Company:** 1989-07-14 through 1995-09-14; derived from co-tenure at mine 0500294; source `msha-controller-operator-history`.
- **Oxbow Carbon LLC → Oxbow Mining, LLC:** 1995-09-15 through current/open; derived from co-tenure at mine 0500294; source `msha-controller-operator-history`.

- History rows: 4
- Typed edges: 12
- 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 4 historical accident/injury rows; 0 coded fatalities and 224 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 44 violation rows across the full record; 18 carry an S&S flag and $4,593 appears in current assessed amounts.
3. **HEALTH — 20 samples:** Occupational health samples 20 coal dust. 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 21K employee hours and 43 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 1 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 — 0 since 2021:** Inspections 7 inspection events and 166 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 77.1713 — Daily inspection of surface coal mine; certified person; reports of inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-R/section-77.1713
- **30 CFR 77.202 — Dust accumulations in surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.202
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.506 — Electric equipment and circuits; overload and short-circuit protection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.506
- **30 CFR 77.1103 — Flammable liquids; storage.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1103
- **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 77.513 — 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 77.1110 — Examination and maintenance of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110
- **30 CFR 77.404 — Machinery and equipment; operation and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404
- **30 CFR 77.402 — Hand-held power tools; safety devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.402

## Source coverage

- **Accident, Injuries, and Illnesses:** 4 rows; 2000-04-03 through 2000-10-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2001-03-26 through 2001-03-26; source ID `msha-addresses`
- **Assessed Violations:** 43 rows; 2000-03-31 through 2001-01-04; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 20 rows; 2000-01-13 through 2001-02-06; source ID `msha-coal-dust-samples`
- **Conferences:** 1 rows; 2001-02-08 through 2001-02-08; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 189 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 51 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 4 rows; 1950-01-01 through 1995-09-15; source ID `msha-controller-operator-history`
- **Inspections:** 7 rows; 2000-03-31 through 2001-01-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 4 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Violations:** 44 rows; 2000-03-31 through 2001-01-04; 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/elk-creek-surface-facilities-0500294`
- JSON: `/api/v1/mines/elk-creek-surface-facilities-0500294`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0500294/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0500294/relationships`
- MCP resource: `mine://0500294/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
