# Golden Sunlight Underground Mine

- **MSHA mine ID:** 2402286
- **Status:** Abandoned
- **Type / commodity:** Underground / Gold Ore
- **Location:** Jefferson, MT
- **Operator:** Redpath USA Corporation
- **Controller:** Deilmann-Haniel
- **Public source rows linked:** 1,731
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Deilmann-Haniel (0070735) → Redpath USA Corporation (L03607) → Golden Sunlight Underground Mine (2402286)**

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

## Controller and operator valid-time history

- **Ronald W  Guill → Small Mine Development, LLC:** 2002-06-27 through 2008-07-23; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.
- **Clark Construction Group LLC → Guy F Atkinson Construction LLC:** 2008-07-24 through 2009-06-08; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.
- **Placer Dome Ltd → Golden Sunlight Underground Mine:** 2009-06-09 through 2006-01-19; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.
- **Barrick Gold Corp → Golden Sunlight Underground Mine:** 2009-06-09 through 2015-05-04; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.
- **Keith  Jones → Small Mine Development, LLC:** 2011-01-28 through 2008-07-23; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.
- **Deilmann-Haniel → Redpath USA Corporation:** 2015-05-05 through current/open; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.
- **James S  Redpath → Redpath USA Corporation:** 2015-05-05 through 2007-08-31; derived from co-tenure at mine 2402286; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 18
- Interval anomalies: 3
- 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 13 historical accident/injury rows; 0 coded fatalities and 220 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 144 violation rows across the full record; 26 carry an S&S flag and $19,152 appears in current assessed amounts.
3. **HEALTH — 34 samples:** Occupational health samples 34 personal. 12 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 20 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 81 linked rows:** Contests, conferences and decisions 38 contested-violation rows, 38 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 7 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 62 inspection events and 1K 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 57.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14100
- **30 CFR 57.12002 — Controls and switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12002
- **30 CFR 57.20032 — Two-way communication equipment for underground operations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20032
- **30 CFR 57.4402 — Safety can use.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4402
- **30 CFR 57.4160 — Underground electric substations and liquid storage facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4160
- **30 CFR 57.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12030
- **30 CFR 57.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4201
- **30 CFR 57.12028 — Testing grounding systems.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12028
- **30 CFR 57.12018 — Identification of power switches.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018
- **30 CFR 57.4200 — General requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4200

## Source coverage

- **Accident, Injuries, and Illnesses:** 13 rows; 2002-11-29 through 2018-09-27; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-05-13 through 2019-05-13; source ID `msha-addresses`
- **Assessed Violations:** 143 rows; 2002-09-04 through 2019-01-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 38 rows; 2010-05-20 through 2018-11-09; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2003-12-03 through 2007-12-03; source ID `msha-conferences`
- **Contested Violations:** 38 rows; 2009-01-06 through 2018-06-26; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 904 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 228 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 2002-06-27 through 2015-05-05; source ID `msha-controller-operator-history`
- **Inspections:** 62 rows; 2002-09-04 through 2019-01-07; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 86 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 27 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:** 34 rows; 2002-11-26 through 2018-07-24; source ID `msha-personal-health-samples`
- **Violations:** 144 rows; 2002-09-04 through 2019-01-09; 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/golden-sunlight-underground-mine-2402286`
- JSON: `/api/v1/mines/golden-sunlight-underground-mine-2402286`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2402286/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2402286/relationships`
- MCP resource: `mine://2402286/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`