# Lucky Friday

- **MSHA mine ID:** 1000088
- **Status:** Active
- **Type / commodity:** Underground / Silver Ore
- **Location:** Shoshone, ID
- **Operator:** Hecla Limited
- **Controller:** Hecla Mining Company
- **Public source rows linked:** 8,176
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Hecla Mining Company (M00089) → Hecla Limited (L00049) → Lucky Friday (1000088)**

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

## Controller and operator valid-time history

- **Hecla Mining Company → Hecla Limited:** 1950-01-01 through current/open; derived from co-tenure at mine 1000088; source `msha-controller-operator-history`.

- History rows: 1
- Typed edges: 3
- 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 — 89 since 2021:** Accidents and injuries 497 historical accident/injury rows; 2 coded fatalities and 3,894 lost days across the published record.
2. **COMPLIANCE — 181 since 2021:** Violations and penalties 1,331 violation rows across the full record; 215 carry an S&S flag and $1,157,532 appears in current assessed amounts.
3. **HEALTH — 496 samples:** Occupational health samples 294 personal; 202 area. 24 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 221K employee hours and 457 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 361 linked rows:** Contests, conferences and decisions 137 contested-violation rows, 139 civil-penalty docket/decision rows, and 85 conference records linked by issuance number.
6. **CONTRACTORS — 21 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 — 81 since 2021:** Inspections 311 inspection events and 22K 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 57.20011 — Barricades and warning signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20011
- **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 57.12018 — Identification of power switches.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12018
- **30 CFR 57.6160 — Main facilities.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-E/section-57.6160
- **30 CFR 57.4361 — Underground evacuation drills.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4361
- **30 CFR 57.4104 — Combustible waste.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4104
- **30 CFR 57.11001 — Safe access.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11001
- **30 CFR 57.14115 — Stationary grinding machines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14115
- **30 CFR 57.20003 — Housekeeping.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-S/section-57.20003
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 497 rows; 2000-01-13 through 2026-09-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2013-03-01 through 2013-03-01; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 202 rows; 2021-01-21 through 2025-12-03; source ID `msha-area-samples`
- **Assessed Violations:** 1,290 rows; 2000-01-23 through 2026-07-08; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 139 rows; 2003-06-24 through 2026-04-21; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 85 rows; 2000-02-02 through 2026-04-06; source ID `msha-conferences`
- **Contested Violations:** 137 rows; 2008-08-15 through 2026-02-11; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 2,798 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 557 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 1950-01-01 through 1950-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 311 rows; 2000-01-19 through 2026-08-18; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 424 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 108 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:** 294 rows; 2000-08-22 through 2026-02-25; source ID `msha-personal-health-samples`
- **Violations:** 1,331 rows; 2000-01-23 through 2026-07-08; 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/lucky-friday-1000088`
- JSON: `/api/v1/mines/lucky-friday-1000088`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1000088/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1000088/relationships`
- MCP resource: `mine://1000088/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`