# Topaz

- **MSHA mine ID:** 0503613
- **Status:** Abandoned
- **Type / commodity:** Underground / Uranium-Vanadium Ore
- **Location:** San Miguel, CO
- **Operator:** Pinon Ridge Mining LLC
- **Controller:** George  Glasier
- **Public source rows linked:** 257
- **Source coverage:** 14 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**George  Glasier (0147541) → Pinon Ridge Mining LLC (0163433) → Topaz (0503613)**

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

## Controller and operator valid-time history

- **Pioneer Corp → Pioneer Uravan Inc:** 1980-11-01 through 2006-07-18; derived from co-tenure at mine 0503613; source `msha-controller-operator-history`.
- **Dianna L  Reams → Tomcat Mining Corporation:** 2006-07-19 through 2006-12-03; derived from co-tenure at mine 0503613; source `msha-controller-operator-history`.
- **International Uranium Corp → Energy Fuels Resource (USA) Inc.:** 2006-12-04 through 2019-04-28; derived from co-tenure at mine 0503613; source `msha-controller-operator-history`.
- **George  Glasier → Pinon Ridge Mining LLC:** 2019-04-29 through current/open; derived from co-tenure at mine 0503613; source `msha-controller-operator-history`.
- **Energy Fuels Inc → Energy Fuels Resource (USA) Inc.:** 2023-02-13 through 2019-04-28; derived from co-tenure at mine 0503613; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 14
- 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 1 historical accident/injury rows; 0 coded fatalities and 20 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 19 violation rows across the full record; 3 carry an S&S flag and $1,799 appears in current assessed amounts.
3. **HEALTH — 4 samples:** Occupational health samples 4 personal. 1 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 14 employee hours and 1 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 2 linked rows:** Contests, conferences and decisions 1 contested-violation rows, 1 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 2 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 9 inspection events and 279 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 57.20032 — 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 57.11058 — Check-in, check-out system.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-J/section-57.11058
- **30 CFR 57.12025 — Grounding circuit enclosures.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12025
- **30 CFR 57.4603 — Closure of valves.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-C/section-57.4603
- **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 57.14130 — Roll-over protective structures (ROPS) and seat belts for surface equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14130
- **30 CFR 57.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14107
- **30 CFR 57.12004 — Electrical conductors.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-K/section-57.12004
- **30 CFR 57.14206 — Securing movable parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-M/section-57.14206
- **30 CFR 48.9 — Records of training.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-A/section-48.9
- **30 CFR 57.15030 — Provision and maintenance of self-rescue devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-57/subpart-N/section-57.15030
- **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

## Source coverage

- **Accident, Injuries, and Illnesses:** 1 rows; 2008-05-13 through 2008-05-13; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2009-05-18 through 2009-05-18; source ID `msha-addresses`
- **Assessed Violations:** 19 rows; 2007-01-24 through 2008-11-17; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2009-10-14 through 2009-10-14; source ID `msha-civil-penalty-dockets-decisions`
- **Contested Violations:** 1 rows; 2008-01-28 through 2008-01-28; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 140 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 16 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1980-11-01 through 2019-04-29; source ID `msha-controller-operator-history`
- **Inspections:** 9 rows; 2006-11-28 through 2008-11-16; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 34 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 6 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:** 4 rows; 2008-02-21 through 2008-02-21; source ID `msha-personal-health-samples`
- **Violations:** 19 rows; 2007-01-24 through 2008-11-17; 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/topaz-0503613`
- JSON: `/api/v1/mines/topaz-0503613`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/0503613/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/0503613/relationships`
- MCP resource: `mine://0503613/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`