# Sunshine Mine

- **MSHA mine ID:** 1000089
- **Status:** NonProducing
- **Type / commodity:** Underground / Silver Ore
- **Location:** Shoshone, ID
- **Operator:** Silver Opportunity Partners LLC
- **Controller:** The Electrum Group LLC
- **Public source rows linked:** 3,188
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**The Electrum Group LLC (0160961) → Silver Opportunity Partners LLC (0119889) → Sunshine Mine (1000089)**

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

## Controller and operator valid-time history

- **Sunshine Mining & Refining Company → Sunshine Precious Metals Inc:** 1950-01-01 through 2003-09-30; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.
- **Kenneth  Rux et al → Sterling Mining Company:** 2003-10-01 through 2009-08-18; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.
- **J K  Berscht et al → Sterling Mining Company:** 2003-10-01 through 2009-08-18; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.
- **Roger Van  Voorhees et al → Sterling Mining Company:** 2009-08-19 through 2010-05-26; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.
- **Precious Metals Opportunities LLC et al → Silver Opportunity Partners:** 2010-05-27 through 2011-09-27; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.
- **Sunshine Silver Mines Corp → Silver Opportunity Partners LLC:** 2011-09-28 through 2020-10-29; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.
- **The Electrum Group LLC → Silver Opportunity Partners LLC:** 2020-10-30 through current/open; derived from co-tenure at mine 1000089; source `msha-controller-operator-history`.

- History rows: 7
- Typed edges: 17
- 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 — 7 since 2021:** Accidents and injuries 106 historical accident/injury rows; 1 coded fatalities and 558 lost days across the published record.
2. **COMPLIANCE — 13 since 2021:** Violations and penalties 350 violation rows across the full record; 91 carry an S&S flag and $64,705 appears in current assessed amounts.
3. **HEALTH — 25 samples:** Occupational health samples 23 personal; 2 area. 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 45K employee hours and 117 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 32 linked rows:** Contests, conferences and decisions 7 contested-violation rows, 8 civil-penalty docket/decision rows, and 17 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 — 54 since 2021:** Inspections 156 inspection events and 6K 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 57.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-Q/section-57.18002
- **30 CFR 48.6 — Experienced miner training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.6
- **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 57.4760 — Shaft mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4760
- **30 CFR 57.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12032
- **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 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (3 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 57.19121 — Recordkeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-R/section-57.19121
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 106 rows; 2000-01-11 through 2026-03-17; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2015-12-01 through 2015-12-01; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 2 rows; 2026-04-28 through 2026-04-28; source ID `msha-area-samples`
- **Assessed Violations:** 346 rows; 2000-02-29 through 2026-04-29; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 8 rows; 2001-04-23 through 2015-05-13; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 17 rows; 2000-04-18 through 2018-08-28; source ID `msha-conferences`
- **Contested Violations:** 7 rows; 2012-05-16 through 2014-11-06; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,422 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 288 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 7 rows; 1950-01-01 through 2011-09-28; source ID `msha-controller-operator-history`
- **Inspections:** 156 rows; 2000-02-29 through 2026-08-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 374 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 80 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:** 23 rows; 2007-11-29 through 2026-08-11; source ID `msha-personal-health-samples`
- **Violations:** 350 rows; 2000-02-29 through 2026-04-29; 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/sunshine-mine-1000089`
- JSON: `/api/v1/mines/sunshine-mine-1000089`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1000089/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1000089/relationships`
- MCP resource: `mine://1000089/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`