# Midas Mine

- **MSHA mine ID:** 2602314
- **Status:** Abandoned
- **Type / commodity:** Underground / Gold Ore
- **Location:** Elko, NV
- **Operator:** Klondex Midas Operations, Inc.
- **Controller:** Hecla Mining Company
- **Public source rows linked:** 16,845
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Hecla Mining Company (M00089) → Klondex Midas Operations, Inc. (0132974) → Midas Mine (2602314)**

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

## Controller and operator valid-time history

- **Franco-Nevada Mining Corp Ltd → Midas Joint Venture:** 1997-02-01 through 1998-12-16; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **Dynatec Corp → Dynatec Mining Corp:** 1998-12-17 through 2001-09-30; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **Normandy Mining Limited → Normandy Midas Operations Inc:** 2001-10-01 through 2002-08-05; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **Newmont Corporation → Newmont Midas Operations:** 2002-08-06 through 2008-01-10; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **Newmont Corporation → Newmont USA Limited:** 2008-01-11 through 2014-02-10; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **FNX Incorporated → Dynatec Mining Corp:** 2008-03-04 through 2001-09-30; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **Klondex Mines Ltd → Klondex Midas Operations, Inc.:** 2014-02-11 through 2018-07-22; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.
- **Hecla Mining Company → Klondex Midas Operations, Inc.:** 2018-07-23 through current/open; derived from co-tenure at mine 2602314; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 22
- 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 277 historical accident/injury rows; 3 coded fatalities and 1,549 lost days across the published record.
2. **COMPLIANCE — 1 since 2021:** Violations and penalties 1,799 violation rows across the full record; 456 carry an S&S flag and $1,333,965 appears in current assessed amounts.
3. **HEALTH — 335 samples:** Occupational health samples 316 personal; 19 area. 65 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 854 employee hours and 4 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 1,030 linked rows:** Contests, conferences and decisions 362 contested-violation rows, 456 civil-penalty docket/decision rows, and 212 conference records linked by issuance number.
6. **CONTRACTORS — 48 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 — 23 since 2021:** Inspections 240 inspection events and 17K 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 57.11001 — 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 57.12004 — Electrical conductors.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.16006 — Protection of gas cylinder valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-O/section-57.16006
- **30 CFR 57.12021 — Danger signs.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12021
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 57.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12028
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 57.14205 — Machinery, equipment, and tools.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14205
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 277 rows; 2000-01-10 through 2019-10-02; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2025-03-31 through 2025-03-31; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 19 rows; 2010-06-06 through 2015-12-15; source ID `msha-area-samples`
- **Assessed Violations:** 1,762 rows; 2000-01-19 through 2025-01-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 456 rows; 2001-12-11 through 2017-06-28; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 212 rows; 2000-06-20 through 2019-05-13; source ID `msha-conferences`
- **Contested Violations:** 362 rows; 2007-06-05 through 2016-08-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 8,923 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 1,991 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1997-02-01 through 2014-02-11; source ID `msha-controller-operator-history`
- **Inspections:** 240 rows; 2000-01-18 through 2025-01-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 383 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 95 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:** 316 rows; 2000-10-31 through 2019-01-29; source ID `msha-personal-health-samples`
- **Violations:** 1,799 rows; 2000-01-19 through 2025-01-16; 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/midas-mine-2602314`
- JSON: `/api/v1/mines/midas-mine-2602314`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2602314/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2602314/relationships`
- MCP resource: `mine://2602314/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`