# Isabella Pearl Mine

- **MSHA mine ID:** 2602812
- **Status:** Active
- **Type / commodity:** Surface / Gold Ore
- **Location:** Mineral, NV
- **Operator:** Walker Lane Minerals Corp
- **Controller:** Gold Resource Corporation
- **Public source rows linked:** 1,118
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Gold Resource Corporation (0141221) → Walker Lane Minerals Corp (0157373) → Isabella Pearl Mine (2602812)**

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

## Controller and operator valid-time history

- **Gold Resource Corporation → Walker Lane Minerals Corp:** 2018-05-29 through current/open; derived from co-tenure at mine 2602812; 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 11 since 2021:** Accidents and injuries 17 historical accident/injury rows; 0 coded fatalities and 41 lost days across the published record.
2. **COMPLIANCE — 42 since 2021:** Violations and penalties 71 violation rows across the full record; 6 carry an S&S flag and $12,280 appears in current assessed amounts.
3. **HEALTH — 14 samples:** Occupational health samples 7 personal; 7 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 — No published quarter:** Quarterly production and employment The source remains registered, but no mine-keyed quarterly production row was published.
5. **LEGAL — 8 linked rows:** Contests, conferences and decisions 3 contested-violation rows, 3 civil-penalty docket/decision rows, and 2 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 — 21 since 2021:** Inspections 27 inspection events and 719 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 56.23003 — Requirements for written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23003
- **30 CFR 56.4201 — Inspection.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201
- **30 CFR 56.6132 — Magazine requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-E/section-56.6132
- **30 CFR 48.23 — Training plans; time of submission; where filed; information required; time for approval; method for disapproval; commencement of training; approval of instructors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.23
- **30 CFR 56.4104 — Combustible waste.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4104
- **30 CFR 56.14207 — Parking procedures for unattended equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.12032 — Inspection and cover plates.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032
- **30 CFR 56.14112 — Construction and maintenance of guards.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112
- **30 CFR 56.9300 — Berms or guardrails.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300
- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30

## Source coverage

- **Accident, Injuries, and Illnesses:** 17 rows; 2019-04-19 through 2025-09-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2019-10-31 through 2019-10-31; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 7 rows; 2023-07-26 through 2023-07-26; source ID `msha-area-samples`
- **Assessed Violations:** 71 rows; 2018-08-08 through 2026-04-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 3 rows; 2019-09-06 through 2023-07-28; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 2 rows; 2018-09-11 through 2024-04-08; source ID `msha-conferences`
- **Contested Violations:** 3 rows; 2019-03-15 through 2023-03-21; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 712 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 168 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 1 rows; 2018-05-29 through 2018-05-29; source ID `msha-controller-operator-history`
- **Inspections:** 27 rows; 2018-08-07 through 2026-04-27; source ID `msha-inspections`
- **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:** 7 rows; 2018-08-09 through 2026-04-30; source ID `msha-personal-health-samples`
- **Violations:** 71 rows; 2018-08-08 through 2026-04-30; 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/isabella-pearl-mine-2602812`
- JSON: `/api/v1/mines/isabella-pearl-mine-2602812`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2602812/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2602812/relationships`
- MCP resource: `mine://2602812/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`